【正文】
一般過去時語法專項(xiàng)一、(1)專題講解 定義:一般過去時表示過去某個時間里發(fā)生的動作或狀態(tài),常和表示過去的時間狀語 連用;也可表示過去習(xí)慣性或經(jīng)常性的動作和行為。 時間狀語:yesterday , the day before yesterday , yesterday morning , just now , a moment ago ,two days ago , last night / year / week , before 11:00 , in the past ,at that time等 使用情況: (1) 表示過去某個時間發(fā)生的動作或存在的狀態(tài)。 I got up at 7:00 yesterday. 我昨天7點(diǎn)起床。 (2) 表示過去經(jīng)常或反復(fù)發(fā)生的動作。 He always went to work by bus last year. 去年他總是乘公交車去上班。 結(jié)構(gòu):一般現(xiàn)在時的結(jié)構(gòu)主要有三種形式: (1)、結(jié)構(gòu)一(謂語動詞為be動詞時) J 肯定句:主語+be(was,were)+其它. (注:am,is→was, are→were)J 否定句:主語+be+not+其它. 一般疑問句:Be+主語+其它? . I was late yesterday. . They were in Bei jing last year. I was not late yesterday. They weren’t in Bei jing last year. Were you late yesterday? Were they in Bei jing last year? Yes, I was. Yes, they were. No, I wasn39。t. No, they weren’t am和is在一般過去時中變?yōu)閣as。(was not=wasn’t) are在一般過去時中變?yōu)閣ere。(were not=weren’t) (2)、結(jié)構(gòu)二(謂語動詞為情態(tài)動詞時) (注意:情態(tài)動詞 can,may,have to 等等。) 肯定句:主語+情態(tài)動詞過去式+動詞原形+其它.J 否定句:主語+情態(tài)動詞過去式+not+動詞原形+其它. 一般疑問句:情態(tài)動詞過去式+主語+動詞原形+其它? . The old man could swim 30 years ago. The old man couldn’t swim 30 years ago. Could the old man swim 30 years ago? Yes, he could. No, he couldn’t. 常用情態(tài)動詞過去式如下: can—could(能,會) may―might(可以) have to―had to(不得不) shall―should(將要)用于第一人稱單數(shù)