现在进行时的结构
时间：2019-02-07 作者：英语课 分类：英文语法词汇
英语课
现在进行时的结构：现在进行时由“am / is / are + 现在分词”构成。如：
I'm 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。
动词现在分词的构成方法：
(1) 一般在动词后加-ing。如：say—saying, play—playing, think—thinking, study—studying, teach —teaching, blow—blowing, build—building.
(2) 动词若以-e结尾, 则去e再加-ing。如：love—loving, make—making, guide—guiding, date—dating.
(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：begin—beginning, regret—regretting, plan—planning, ban — banning.
(4) 在以ie结尾的动词后，改ie为y，再加-ing。如：lie—lying, die—dying, tie—tying.
(5) 在以-c[k] 结尾的动词后加-king。如：picnic—picnicking, panic—panicking.
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现在进行时