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高中英語動(dòng)詞時(shí)態(tài)語法(2)
4. 過去將來時(shí)的用法(would do) 過去將來時(shí)表示從過去的某個(gè)時(shí)間看來將要發(fā)生的動(dòng)作或存在的狀態(tài)。
例如：They were sure that they would succeed.
5.現(xiàn)在進(jìn)行時(shí)的用法(am/is/ are doing)
1) 現(xiàn)在進(jìn)行時(shí)表示現(xiàn)在正在進(jìn)行的動(dòng)作 What are you doing?
2)表示某種感情色彩“總是” You are always watching TV. (was/were doing)
6.過去進(jìn)行時(shí)的用法
1) 過去進(jìn)行時(shí)過去某一時(shí)刻、某一階段正進(jìn)行的動(dòng)作
例如：In 1980 he was studying in a university. He was reading a novel when I came in. He was watvign Tv at this time yesterday.
7. 將來進(jìn)行時(shí)(will be doing)表將來某一時(shí)刻，某一段時(shí)間正在進(jìn)行的動(dòng)作。
例如： I will be sleeping at this time tomorrow.
8. 現(xiàn)在完成時(shí)(have/has done)
1)現(xiàn)在完成時(shí)所表示的動(dòng)作在說話之前已完成，但對現(xiàn)在有影響。句中沒有具體時(shí)間狀語。
例如： He has gone to fuzhou. He has been to fuzhou.
2) 現(xiàn)在完成時(shí)所表示的動(dòng)作開始于過去，持續(xù)到現(xiàn)在，也許還會持續(xù)下去，for 和 since 表示一段時(shí)間的狀語或 so far , now, today, this week (month, year ,), 等表示包括現(xiàn)在內(nèi)的狀語。 in
the past 3 years 等表示包括現(xiàn)在內(nèi)的狀語。
例如：He has studied english for 5 years. He has studied english since 1985. Now I have finished the work. 注意：表示短暫時(shí)間動(dòng)作的詞(如 come, go , die, marry, buy 等)的完成
時(shí)不能等連用。 與 for, since 等連用。
3)現(xiàn)在完成進(jìn)行時(shí)還可用時(shí)間和條件狀語從句中，表示將來某時(shí)完成的動(dòng)作。
例如：I’ll go o your home when I have finished my homework. If it has stopped snowing in the morning, we’ll go to the park.
9.過去完成時(shí)的用法(had done)
1)過去完成時(shí)由“had + 過去分詞”構(gòu)成。過去完成時(shí)的動(dòng)作表示過去某一時(shí)刻或某一時(shí)刻或某一動(dòng)作之前完成的動(dòng)作或狀態(tài)。 句中常用 by, before, until,when 等詞引導(dǎo)的時(shí)間狀語。
例如：By the end of last year we had built five new houses. I had learnt 5000 words before i entered the university.
2) 過去完成時(shí)的動(dòng)詞還可表示過去某一時(shí)刻之前發(fā)生的動(dòng)作或狀態(tài)持續(xù)到過去某個(gè)時(shí)間或持續(xù)下去。
例如：Before he slept, he had worked for 12 hours.
10.將來完成時(shí)(will have done)
11.現(xiàn)在完成進(jìn)行時(shí) ( have (has)+ been +(doing))， 現(xiàn)在完成進(jìn)行時(shí)表示現(xiàn)在以前一直進(jìn)行的動(dòng)作。有些動(dòng)詞(work, study, live, teach 等) 用現(xiàn)在完成時(shí)與用現(xiàn)在完成時(shí)意思差不多。
例如：I have worked here for three years. I have been working here for three years. 但多數(shù)動(dòng)詞在這兩種時(shí)態(tài)表示不同意思 I have been writing a letter.
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