现在进行时
一、构成:
1) 肯定形式:S +be+动词的现在分词v.ing.
2) 否定形式:S + be not动词现在分词 v.ing.
3) 疑问形式:Be +S+动词现在分词 v.ing.
二、用法:
1)表示此时此刻正在进行的动作。如:
-What are you doing?
-I am reading English.
2) 表示现阶段正在进行的动作或持续的状态。如;
They are studying hard this term.
3) go, leave, arrive, start等动词用现在进行时表示将来。常用于人,有“意图、打算、安排”含义,如:
I am leaving Beijing this Sunday.
Are you staying here till next week?
4)当时间状语为now, these days等时或当句子中含有look, listen, can you see, can’t you see之类的暗示词,要使用现在进行时
5)但要注意下列这些动词一般不用于现在进行时态的句子中。
a. 事实状态的动词,如 have, belong, possess, cost, owe, exist, include, contain, matter, weigh, measure, continue等。
b. 心理状态的动词,如know, realize, recognize, see, believe, suppose, imagine, agree, remember, want, need, forget, prefer, like, love, hate, mean, understand等。
c. 某些瞬间动词,如accept, refuse , receive, complete, finish, give, allow, decide等。
d. 系动词,如seem, remain, see, hear, smell, feel, taste, get, become, turn等。
三、形式 构成 例词
现在分词 直接加-ing read-reading
以不发音字母e结尾的动词,
去e加-ing live-living, write-writing
以重读闭音节结尾且末尾只有一个辅音字母的词,
双写加-ing sit-sitting, begin-beginning
少数几个以ie结尾的动词,
变ie为y加-ing die-dying, lie-lying, tie-tying