新外研社高中英语选择性必修一Unit5RevealingNature-UsingLanguage课件

Using language
Examples: 1. I __h_a_d_n_’_t _s_ee_n__ (not see) such a beautiful beach before I went to Kauai. 2. I did not have any money because I _h_a_d__lo_s_t_ (lose) my wallet. 3. Tony knew Istanbul so well because he _h_a_d__v_is_i_te_d__ (visit) the city several times. 4. __H_a_d__ Susan _s_tu_d_i_e_d_ (study) Thai before she moved to Thailand? 5. She only understood the movie because she _h_a_d__re_a_d__ (read) the book. 6. Kristine _h_ad__n_e_v_e_r_b_e_e_n_ (never be) to an opera before last night. 7. We were not able to get a hotel room because we __h_ad_n_’_t_b_o_o_k_e_d__ (not book) in advance. 8. A: __H_a_d___ you ever _v_is_i_te_d__ (visit) the U.S. before your trip in 2006?
Using language
Activity 1. Look at the sentences from the reading passage and answer the questions.
➢ Now look for more sentences with the past perfect tense in the reading passage, and summarise its use in your own words.
① After Darwin had spent some time in South America, his room on the ship was crowded with samples of the plants and animals he had collected.
② At that time, people believed that all species had appeared on Earth at the same time,and had not changed since.
3. What does the structure had done indicate? It indicates the action happened before a certain past action.
Using language
Activity 1. Look at the sentences from the reading passage and answer the questions.
Using language
Active/ Passive Voice in Past Perfect
Active voice: had + past participle Passive voice: had + been + past participle
Examples: ① George had repaired many cars before he received his mechanic’s license. (Active) ② Many cars had been repaired by George before he received his mechanic’s license.
a Darwin suspected that the finches had evolved from a common ancestor, ... b Many people refused to believe that living things, including humans, had evolved
Using language
Examples: 1. We had had that car for ten years before it broke down.
non-continuous verb
past perfect duration
2. By the time Alex finished his studies, he had been in London for over eight years.
③ It seemed their beaks had evolved according to what food was available on that particular island.
...
The past perfect is a verb tense which is used to show that an action took place once or many times before another action / point in the past.
Adverb Placement in Past Perfect
Adverbs such as always, only, never, ever, still and just are usually placed between had and past participle.
Examples: ① You had previously studied English before you moved to New York. ② Had you previously studied English before you moved to New York?
B: Yes, I ___h_ad__b_e_e_n___ to the U.S. once before.
Using language
Past Perfect Uses Use 2 Duration Before Something in the Past (Non-Continuous Verbs)
新外研社高中英语选择性必修一 Unit 5 Revealing nature Using Language
Grammar
Using language
Activity 1. Look at the sentences from the reading passage and answer the questions.
a Darwin suspected that the finches had evolved from a common ancestor, ... b Many people refused to believe that living things, including humans, had evolved
Using language
What is past perfect tense?
Definition
The past perfect is a verb tense which is used to show that an action took place once or many times before another action / point in the past.
non-continuous verb
past perfect duration
3. They felt bad about selling the house because they had owned it for more than forty years.
non-continuous verb
past perfect duration
simple past (non-continuous)
With non-continuous verbs (simple past), we use the past perfect to show that something started in the past and continued up until another action (non-continuous verbs) in the past.
from lower forms of life.
Action A
Action B
Summary
In each sentence, both the two actions happened in the past, Action B happened first, Action A happened later. In this situation, past perfect is used to describe Action B and simple past is used to describe Action A.
Using language
Past Perfect Uses Use 1 Completed Action Before Something in the Past
past perfect
sim expresses the idea that something occurred before another action in the past. It can also show that something happened before a specific time in the past.
from lower forms of life.
1. In sentence (a), which action happened first, “suspected” or “evolved from a common ancestor”? In sentence (a), “evolved from a common ancestor” happened first.
2. In sentence (b), which action happened first, “refused to believe” or “evolved from lower forms of life”? In sentence (b), “evolved from lower forms of life” happened first.
past perfect duration
The words “live”, “work”, “teach”, and “study” are sometimes used in this way even though they are NOT non-continuous verbs.
Using language
Past Perfect Forms
The past perfect is formed using had + past participle. Questions are indicated by inverting the subject and had. Negatives are made with had not.
Statement: You had studied English before you moved to New York. Question: Had you studied English before you moved to New York? Negative: You had not studied English before you moved to New York.