cut--cutting切get--getting得到swim--swimming游dig--digging挖
四、一般将来时
一、概念:表示将要发生的动作以及打算或者准备做某事。句中一般有以下时间状语:tomorrow,this weekeng,next day(week,month,year…),等。
二、基本结构:①主+be going to+动词原形;②主+will+动词原形.
I am going to play football tomorrow(明天).=I will play football tomorrow.
三、否定句:在be动词(am,is,are)后加not,主+be not going to+动词原形。
例如:I’m going to have a picnic this afternoon.
→I’m not going to have a picnic this afternoon.
四、一般疑问句:把be提到句首,some改为any,第一二人称互换。
Be+主+going to+动词原形?
例如:We are going to swim this weekend.→Are yogoing to swim this weekend?
五、一般过去时
1.一般过去时表示过去某个时间发生的动作或存在的状态,常和表示过去的时间状语连用。一般过去时也表示过去经常或反复发生的动作。
2.一般过去时Be动词的变化:
⑴am和is在一般过去时中变为was。(was not=wasn’t)
⑵are在一般过去时中变为were。(were not=weren’t)
⑶带有was或were的句子,其否定、疑问的变化和is,am,are一样,即否定句在was或were后加not,一般疑问句把was或were调到句首。
3.没有be动词的一般过去时
肯定句:主语+动词过去式?如:Jim went home yesterday.
否定句:主语+didn’t+动词原形?如:Jim didn’t go home yesterday.
一般疑问句:Did+主语+动词原形?如:Did Jim go home yesterday?
特殊疑问句:⑴疑问词+did+主语+动词原形?如:What did Jim do yesterday?
⑵疑问词当主语时:疑问词+动词过去式?如:Who went to home yesterday?
动词过去式变化规则:
1.一般在动词末尾加-ed,如:clean-cleaned,cook-cooked
2.以不发音的e结尾的在词尾加d,如:like-liked live-lived
3.末尾有一个元音字母和一个辅音字母的重读闭音节,双写末尾的辅音字母,加-ed,如:stop-stopped
4.以“辅音字母+y”结尾的,变y为i,再加-ed,如:study-studied但play-played
5.不规则动词过去式:
am,is-was,are-were,do-did,see-saw,get-got,go-went,come-came,have-had,eat-ate,take-took,sing-sang,put-put,make-made,read-read,write-wrote,draw-drew,fly-flew,,swim-swam