内容正文:
英语中的动词有时态(Tense)要求。所谓“时”,即动作发生的时间;“态”,
即动作的方式状态。“时”有四种:现在时,过去时,将来时,过去将来时;“态”也有四种:一般式,进行式,完成式,完成进行式。因此,英语中一共有16种时态。常用的时态有9种,
过去时
现在时
将来时
一般式
一般过去时(did)
一般现在时(do,does)
一般将来时(will+do;be going to +do)
进行式
过去进行时(was/were+do-ing)
现在进行时(am/is/are+do-ing)
将来进行时(will/shall/is,
are going to be do-ing)
完成式
过去完成时
(had done)
现在完成时
(have/has done)
将来完成时(shall/will +have done)
二.新课讲解
1.一般过去时(the Past Simple)
(1)用法(uses)
表示过去某时发生的动作或存在的情况。如:
He worked in a bank all his life.
He discovered a desert island in the Pcific.
The safari was exciting but dangerous.
I knew what he meant.
They always interviewed new employees on Fridays.
(2)形式(form)
即动词的过去式,分两种情况,一种是在动词结尾加ed或ied,这种动词称为规则动词,另一种不能加,形式多样,称为不规则动词。
规则动词:
a.一般情况下,动词词尾加 -ed ,如:
work-worked play-played want-wanted act-acted
b.以不发音的 -e 结尾动词,动词词尾加 -d,如:
live-lived move-moved decide-decided decline-declined
hope-hoped judge-judged raise-raised wipe-wiped
c.以辅音字母 + y结尾的动词,把-y变为-i 再加-ed,如:
study-studied