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二 按时态来分
一般将来时
关键词:tomorrow(明天),next(下一个),this afternoon(今天下午), this evening(今天晚上),the day after tomorrow(后天),in 2008(2008年)
结构:( 1 )be(是) am,is ,are +going to+动词原形
( 2 ) will+动词原形
否定句 am,are,is+not going to+动词原形
won’t +动词原形
一般疑问句:Am,Are,Is+…going to+动词原形
Will …… + 动词原形……?
肯定回答:Yes. 否定回答:No
现在进行时:
关键词:look(看) listen(听) now(现在) 具体时间(几点钟)
结构:am,are,is+ 动词 ing
例: I am cooking
否定句:am,are.is+not + 动词 ing
一般疑问句:am,are,is+动词 ing ……?
肯定回答: yes. 否定回答:No
动词加 ing 的规律:1 直接加ing: go – going; do – doing
2 以不发音的e结尾,把e去掉加ing : write – writing; have – having
3 双写末尾字母加ing : run – running; swim – swimming skip—skipping sit – sitting begin – beginning get – getting put – putting shop – shopping
一般现在时
关键词:always(总是) usually(通常) often(经常) sometimes(有时) never(从不) every(每一)
第一人称:I, we;第二人称:you;第三人称复数:they+动词原形
(复数)Ben and Sally,my friends
2 第三人称单数He,She,It,Janet(一个)+动词 + s ( es )
例: He often goes to school at 7:0
否定句 I,we,you,They,Ben and Sally+don’t(不)+动词原形
He,She,It,Janet(一个)+doesn’t + 动词原形 0
一般疑问句 Do+I,we,you]they,Ben and Sally+动词原形。。。?肯定回答:Yes. 否定回答:No
动词加S的规律 1 直接加S:run – runs swim --- swims
2 以o, sh, ch.结尾加es: go – goes do – does; wash(洗) – washes; watch --- watches :
3 y前边是元音字母a , 直接加s , 否则把y去掉加ies
一般过去时
关键词:yesterday(昨天), last (上一个), this morning(今天早上),ago(以前), before( 在…之前), in 2002(在2002年), 等表示过去的时间的例子
例子 I was at home yesterday.我昨天在家
They played football last Monday。
否定句:didn’t + 动词原形
一般疑问句 Did …… 动词原形 ……
肯定回答:Yes. 否定回答:No.
动词变过去式的规律
1 直接+ed: wash-washed, watch- watched, call-called, ask-asked, paint-painted, clean-cleaned
2 以e结尾直接+d: like-liked, live-lived上个星期一他们去踢足球
They played football last Monday.
上个星期一他们去踢足球结构:动词过去式
3 双写末尾字母+ed: stop-stopped, skip-skipped
4 y前边是元音字母a,直接+ed: play-played, stay-stayed; 否则把y去掉,+ied: study-studied |
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