初中英语时态讲解及练习
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He smoked last year. He didn’t smoke last year.
一般疑问句:①was或were放于句首;②用助动词do的 过去式did 提问,同时还原行为动词。 Did he smoke last year? ,,,,,,,,,,,,,
构成规则
例子
一般在动词原形末尾加-ed,(在清 look→looked
swim→swims
pass →passes
以字母s, x, ch, sh, o结尾的词加-es,fix→fixes
读/iz/,如果动词原形词尾已有e,则 teach→teaches
只加-s。Байду номын сангаас
wish→wishes
do→does
以辅音字母加y结尾的词 ,先变y为i, 再加-es,读/z/
study→studies carry→carries fly→flies
drop→dropped
结尾是“辅音字母+y”的动词,先 study→studied
变“y”为“i”再加-ed
worry→worried
cry→cried
1. He____(be, was, were, been) here a moment ago. 2. They ____(be, was, were, been) here just now. 3. The scientists _____(leave, leaves, leaved, left) for America yesterday. 4. Last week we ______(visit, visited ) the Science Museum. 5. When I was a child, I often ____(play, played) football. 6. The students ran out of the classroom as soon as the bell ____(ring, rang, rung).
辅音后读/t/;在浊辅音和元音后读 play→played
/d/;在/t/,/d/后读/id/。
work→worked
结尾是e的动词在末尾加-d
like→liked live→lived hope→hoped
末尾只有一个辅音字母的重读闭音 plan→planned 节,先双写这个辅音字母,再加-ed stop→stopped
1. He______(be, am, is, are) a teacher at No. 2 Middle School. 2. He______(have, has) classes in the afternoon. 3. He______(get, gets) up at half past six every morning. 4. He always _____(come, comes ) to school on time. 5. He ______(study, studies) very hard at his lesson. 6. One and two _____(be, is, are) three. 7. Blue and yellow _____(make, makes) green. 8. The earth _____(move, moves) round the sun. 9. I will go there if I ____( be, will be, am, is, are) free tomorrow.
• 我们经常在晚上8点看电视。 • We always watch TV at 8:00 in the evening. • 我不喜欢红色的鞋。 • I don’t like red shoes.
2020/12/13
一般过去时
概念:过去某个时间里发生的动作或状态 ;过去习 惯性、经常性的动作、行为。 时间状语:ago, yesterday, the day before yesterday, last week(year, night, month…), in 1989, just now, at the age of 5, one day, long long ago, once upon a time, etc. 基本结构:①be动词;②行为动词 否定形式:①was/were+not;②在行为动词前加didn't, 同时还原行为动词。
②表示主语通常的能力、兴趣爱好、和性 格特征。 I like reading.
③表示客观的事实或真理。 The sun always rises in the east .
. ④表示按照时刻表或已经计划安排 好的将来行为。(只限于是go, come, leave, arrive, begin, start, take off, stop, be 等表示开始或移动意义的词。) ⑤在时间状语从句和条件状语从句中, 主句用一般将来时(will+动词原形),
初中语法专题 (一)
时态
一般现在时 一般过去时 现在进行时 过去进行 时 .. 现在完成时 过去完成时 一般将来时
一般现在时
一、一般现在时 :
概念:经常、 反复发生的动作 或行为及现在的某种状 况。 时间状语: always, usually, often, sometimes, every week (day, year, month…), once a week, on Sundays, etc. 基本结构:①be动词;②行为动词 否定形式:①am/is/are+not;② 此时态的谓语动词若为 行为动词, 则在其前加don‘t,如主语为第三人称单数, 则用doesn’t,同时还原行为动词。
He likes music. He doesn’t like music.
一般疑问句:①把be动词放于句首 ;②用助动词do提 问,如主语为第三人称单数 ,则用 does,同时,还原 行为动词。Does he like music?
什么情况下用 ?
①表示经常或习惯性的动作或存在的状态。 They go home once a week .
从句中用一般现在时表将来。(主 将从现) Lucy will be at home if it rains tomorrow.
动词第三人称单数 形式变化规则
规则
例子
一般在词尾加-s ,(清辅音后读 Play→plays
/s/,在浊辅音后读/z/;在t后读 leave→leaves
/ts/,在d后读/dz/。)
一般疑问句:①was或were放于句首;②用助动词do的 过去式did 提问,同时还原行为动词。 Did he smoke last year? ,,,,,,,,,,,,,
构成规则
例子
一般在动词原形末尾加-ed,(在清 look→looked
swim→swims
pass →passes
以字母s, x, ch, sh, o结尾的词加-es,fix→fixes
读/iz/,如果动词原形词尾已有e,则 teach→teaches
只加-s。Байду номын сангаас
wish→wishes
do→does
以辅音字母加y结尾的词 ,先变y为i, 再加-es,读/z/
study→studies carry→carries fly→flies
drop→dropped
结尾是“辅音字母+y”的动词,先 study→studied
变“y”为“i”再加-ed
worry→worried
cry→cried
1. He____(be, was, were, been) here a moment ago. 2. They ____(be, was, were, been) here just now. 3. The scientists _____(leave, leaves, leaved, left) for America yesterday. 4. Last week we ______(visit, visited ) the Science Museum. 5. When I was a child, I often ____(play, played) football. 6. The students ran out of the classroom as soon as the bell ____(ring, rang, rung).
辅音后读/t/;在浊辅音和元音后读 play→played
/d/;在/t/,/d/后读/id/。
work→worked
结尾是e的动词在末尾加-d
like→liked live→lived hope→hoped
末尾只有一个辅音字母的重读闭音 plan→planned 节,先双写这个辅音字母,再加-ed stop→stopped
1. He______(be, am, is, are) a teacher at No. 2 Middle School. 2. He______(have, has) classes in the afternoon. 3. He______(get, gets) up at half past six every morning. 4. He always _____(come, comes ) to school on time. 5. He ______(study, studies) very hard at his lesson. 6. One and two _____(be, is, are) three. 7. Blue and yellow _____(make, makes) green. 8. The earth _____(move, moves) round the sun. 9. I will go there if I ____( be, will be, am, is, are) free tomorrow.
• 我们经常在晚上8点看电视。 • We always watch TV at 8:00 in the evening. • 我不喜欢红色的鞋。 • I don’t like red shoes.
2020/12/13
一般过去时
概念:过去某个时间里发生的动作或状态 ;过去习 惯性、经常性的动作、行为。 时间状语:ago, yesterday, the day before yesterday, last week(year, night, month…), in 1989, just now, at the age of 5, one day, long long ago, once upon a time, etc. 基本结构:①be动词;②行为动词 否定形式:①was/were+not;②在行为动词前加didn't, 同时还原行为动词。
②表示主语通常的能力、兴趣爱好、和性 格特征。 I like reading.
③表示客观的事实或真理。 The sun always rises in the east .
. ④表示按照时刻表或已经计划安排 好的将来行为。(只限于是go, come, leave, arrive, begin, start, take off, stop, be 等表示开始或移动意义的词。) ⑤在时间状语从句和条件状语从句中, 主句用一般将来时(will+动词原形),
初中语法专题 (一)
时态
一般现在时 一般过去时 现在进行时 过去进行 时 .. 现在完成时 过去完成时 一般将来时
一般现在时
一、一般现在时 :
概念:经常、 反复发生的动作 或行为及现在的某种状 况。 时间状语: always, usually, often, sometimes, every week (day, year, month…), once a week, on Sundays, etc. 基本结构:①be动词;②行为动词 否定形式:①am/is/are+not;② 此时态的谓语动词若为 行为动词, 则在其前加don‘t,如主语为第三人称单数, 则用doesn’t,同时还原行为动词。
He likes music. He doesn’t like music.
一般疑问句:①把be动词放于句首 ;②用助动词do提 问,如主语为第三人称单数 ,则用 does,同时,还原 行为动词。Does he like music?
什么情况下用 ?
①表示经常或习惯性的动作或存在的状态。 They go home once a week .
从句中用一般现在时表将来。(主 将从现) Lucy will be at home if it rains tomorrow.
动词第三人称单数 形式变化规则
规则
例子
一般在词尾加-s ,(清辅音后读 Play→plays
/s/,在浊辅音后读/z/;在t后读 leave→leaves
/ts/,在d后读/dz/。)