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1、1.一般現(xiàn)在時(shí) 1) 一般現(xiàn)在時(shí)常與often, always, usually, sometimes, everyday, once a week等時(shí)間狀語(yǔ)連用。
2、 2) 一般現(xiàn)在時(shí)表示客觀事實(shí)或普遍真理。
3、 3)第三人稱單數(shù)作主語(yǔ)時(shí)，動(dòng)詞后要加-s 標(biāo)志詞：often, always, usually, every day, once a week He takes a walk after supper every day. How often do you wash your hair? Sometimes information in the long-term memory is___ (be) hard to remember.(4B 2000 上 ) 2.一般過(guò)去時(shí) 標(biāo)志詞：yesterday, last week, three years ago, in 1987 He lived in London when he was young. In the l600’s，travelers from Europe_brought__ (bring) back diamonds from India.(6A 2000 上 ) 3.一般將來(lái)時(shí) Will (shall) + 動(dòng)詞原形 Am (is, are) going to +動(dòng)詞原形 Am (is, are) about to +動(dòng)詞原形 Am (is, are) to +動(dòng)詞原形 We’ll have to be careful in doing business with them. 4.現(xiàn)在進(jìn)行時(shí) Am (is, are) + doing What are you doing? I’m doing some washing. 5.現(xiàn)在完成時(shí) 1)現(xiàn)在完成時(shí)不能使用明確表示過(guò)去時(shí)間的狀語(yǔ)，例如：yesterday, last week, in 1993等。
4、 2)現(xiàn)在完成時(shí)可以和already, never, ever, not…yet等副詞連用。
5、@ 3)現(xiàn)在完成時(shí)常和since引導(dǎo)的短語(yǔ)或從句，或由for引導(dǎo)的表一段時(shí)間的短語(yǔ)連用。
6、 Have (has) + 過(guò)去分詞 I haven’t seen her since 1991. Have been sitting Has’t paid Had seen Was making Has been working Am preparing Has happened The earth goes around the sun. Water boils at 100 degrees. He does’t take a walk after supper every day. Does he take a walk after supper every day? I am a teacher. I am not a teacher. Are you a teacher? What’s your father? What does your father do? Be from com from Where is your sister from? Where does your sister come from? It rains every Wednesday. He goes to school by taxi every day. How does he go to school every day. What did you do 3 years ago?。
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