1. 现在进行时的定义
现在进行时主要用于表示目前正在进行的动作,有时也可表示现阶段在进行的动作。如:
The teacher is giving us an English lesson. 老师正在给我们上英语课。
The farmers are getting in their crops. 农民们正在收割庄稼。
We are making preparations for the conference. 我们一直在为会议作准备。
2. 现在进行时的结构
现在进行时由am / is / are + 现在分词构成。如:
Im studying at Yu Cai Senior Middle school. 我在育才中学读书。
He is writing on the desk. 他再课桌上写字。
They are talking about their visiting the Great Wall. 他们在谈论游长城的事情。
【说明】动词现在分词的构成方法:
(1) 一般在动词后加-ing。如:saysaying, playplaying, thinkthinking, studystudying, teach teaching, blowblowing, buildbuilding.
(2) 动词若以-e结尾, 则去e再加-ing。如:loveloving, makemaking, guideguiding, datedating.
(3) 在以单短元音的重读闭音节结尾,且末尾只有一个辅音字母的动词后,双写最后一个辅音字母,再加-ing。如:beginbeginning, regretregretting, planplanning, ban banning.
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