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初中英语时态现在进行时结构知识点

  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。

  【说明】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.