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Negative Form
It is created by adding "not" after "have/has" (e.g., I have not finished)
03
Questions
They are formed by inverting the subject and "have/has" (e.g.,
Have you finished?)
Different from the simple past tense
Time Frame
The simple past tense refers to a specific time in the past, where as the present perfect tense related past actions to the present
The problem of tenixing up presentation perfect tense with other tensions, such as "I have wet to the store."
02 03
Correction
Use the correct form of the verb in the present perfect tense In this case, it should be "I have gone to the store."
Usage
The simple past is used for events with a defined endpoint in the past, where the present effect is used for actions with onging relevance or impact on the present
Ensure that the verb agreements with the subject In this case, it should be "He has finished his work."
Explanation
The present perfect tense is formed with "have/has+past particle." The verb "have" is used with I, you, we, and they, while "has" is used with him, she, and it
Analyze example sentences to understand how the
present perfect tense is used in context
Identify the subject, verb, and completion in each presence to clarify the
Explanation
The present perfect tense is used to talk about actions that started in the past and continued to the present or actions that have recently been completed It is important to differentiate it from other tensions
Some common irregular verbs in the present perfect tense include "eat eat eat," "go go," "see see."
"They have gone to the movies."
Example presence analysis
For and since guide time advertisements
"For" is used to indicate a period of time It is followed by a period of time, such as a number of years, months, or days For example: "I have live here for five years."
• The rules and examples of verb changes in the present perfect tense
目录
• Common errors and correction methods in the present perfect tense
• Analysis of the use of present perfect tense in connection with other tensions
meaning
Compare the use of the present perfect tense with other tense to highlight its
unique features and functions
04
Common errors and correction methods in
"Before" indicators that something has happened at an earlier time, but not necessarily recently
"Lately" is similar to "recently" but implies more frequency or regularity
Add "have/as" before the past particle of regular verbs, such as "played," "worked," "studied."
The third person singular uses "has" installed of "have," for example, "He has played tennis."
Both "for" and "since" can be used in definitive, negative, and question sentences
Other common time adapters
"Recently" indicators that something has happened not long ago
Misuse or commission of auxiliary verbs have/as
Error
Omitting or missing the auxiliary verbs "have/as" in the present perfect tense, such as "She wrote a book."
"Yes" is used in negative senses or questions to indicate that something has not happened up to now For example: "I haven't finished my home yet."
Other similar advertisements include "just" and "ever" "Just" is used to indicate that something has happened very recently, while "ever" is used to ask if something has happened at any time in the past
"Since" is used to indicate a point in time It is followed by a specific time, such as a clock time or a date For example: "I have worked here since 9:00 AM."
02
Common time advertisements in the present perfect tense
Usage of already, yet, etc
"Already" is used in confirmed intentions to indicate that something has happened before now For example: "I have already finished my home."
the present perfect tense
Subject verb inconsistency issue
Error
Incorrect verb form used with the subject, such as "He has finished his work."
Correction
Focus
The simple past tense focuses on completed actions in the past, while the present perfect tense emphasizes the relevance of those actions to the present moment
Function
It emphasizes the connection between the past and the present, showing how past actions have relevance to the current situation
Composition form
01 02
Have/Has+Past Article
The present perfect tense is formed by combining the present tense of the verb "to have" (have/has) with the past article of the main verb
• Summary, Review, and Extension
01
Basic concepts and composition of the present perfect tense
Definition and Function
Definition
The present perfect tense is a verb tense used to express actions or events that started in the past and continued to the present or actions that have been completed recently
"So far" indicators up to the present time or up to a certain point in time
03
The rules and examples of verb
changes in the present perfect tense
Rule verb variation
Present Perfect Tense Courseware
on the English Foreign Language Research Edition
目录
• Basic concepts and composition of the present perfect tense
• Common time advertisements in the present perfect tense
Use "have" with other subjects, such as "I have studied English for two years."
Irregular verb variation
Learn and memorize the past particle forms of irregular verbs, which do not follow a predictable pattern
It is created by adding "not" after "have/has" (e.g., I have not finished)
03
Questions
They are formed by inverting the subject and "have/has" (e.g.,
Have you finished?)
Different from the simple past tense
Time Frame
The simple past tense refers to a specific time in the past, where as the present perfect tense related past actions to the present
The problem of tenixing up presentation perfect tense with other tensions, such as "I have wet to the store."
02 03
Correction
Use the correct form of the verb in the present perfect tense In this case, it should be "I have gone to the store."
Usage
The simple past is used for events with a defined endpoint in the past, where the present effect is used for actions with onging relevance or impact on the present
Ensure that the verb agreements with the subject In this case, it should be "He has finished his work."
Explanation
The present perfect tense is formed with "have/has+past particle." The verb "have" is used with I, you, we, and they, while "has" is used with him, she, and it
Analyze example sentences to understand how the
present perfect tense is used in context
Identify the subject, verb, and completion in each presence to clarify the
Explanation
The present perfect tense is used to talk about actions that started in the past and continued to the present or actions that have recently been completed It is important to differentiate it from other tensions
Some common irregular verbs in the present perfect tense include "eat eat eat," "go go," "see see."
"They have gone to the movies."
Example presence analysis
For and since guide time advertisements
"For" is used to indicate a period of time It is followed by a period of time, such as a number of years, months, or days For example: "I have live here for five years."
• The rules and examples of verb changes in the present perfect tense
目录
• Common errors and correction methods in the present perfect tense
• Analysis of the use of present perfect tense in connection with other tensions
meaning
Compare the use of the present perfect tense with other tense to highlight its
unique features and functions
04
Common errors and correction methods in
"Before" indicators that something has happened at an earlier time, but not necessarily recently
"Lately" is similar to "recently" but implies more frequency or regularity
Add "have/as" before the past particle of regular verbs, such as "played," "worked," "studied."
The third person singular uses "has" installed of "have," for example, "He has played tennis."
Both "for" and "since" can be used in definitive, negative, and question sentences
Other common time adapters
"Recently" indicators that something has happened not long ago
Misuse or commission of auxiliary verbs have/as
Error
Omitting or missing the auxiliary verbs "have/as" in the present perfect tense, such as "She wrote a book."
"Yes" is used in negative senses or questions to indicate that something has not happened up to now For example: "I haven't finished my home yet."
Other similar advertisements include "just" and "ever" "Just" is used to indicate that something has happened very recently, while "ever" is used to ask if something has happened at any time in the past
"Since" is used to indicate a point in time It is followed by a specific time, such as a clock time or a date For example: "I have worked here since 9:00 AM."
02
Common time advertisements in the present perfect tense
Usage of already, yet, etc
"Already" is used in confirmed intentions to indicate that something has happened before now For example: "I have already finished my home."
the present perfect tense
Subject verb inconsistency issue
Error
Incorrect verb form used with the subject, such as "He has finished his work."
Correction
Focus
The simple past tense focuses on completed actions in the past, while the present perfect tense emphasizes the relevance of those actions to the present moment
Function
It emphasizes the connection between the past and the present, showing how past actions have relevance to the current situation
Composition form
01 02
Have/Has+Past Article
The present perfect tense is formed by combining the present tense of the verb "to have" (have/has) with the past article of the main verb
• Summary, Review, and Extension
01
Basic concepts and composition of the present perfect tense
Definition and Function
Definition
The present perfect tense is a verb tense used to express actions or events that started in the past and continued to the present or actions that have been completed recently
"So far" indicators up to the present time or up to a certain point in time
03
The rules and examples of verb
changes in the present perfect tense
Rule verb variation
Present Perfect Tense Courseware
on the English Foreign Language Research Edition
目录
• Basic concepts and composition of the present perfect tense
• Common time advertisements in the present perfect tense
Use "have" with other subjects, such as "I have studied English for two years."
Irregular verb variation
Learn and memorize the past particle forms of irregular verbs, which do not follow a predictable pattern