现在进行时的结构

　　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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