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Unit 2 Animals at the Zoo Lesson 12 The Clever Monkey 课件(23张PPT)

2021-05-19 09:16:54 1.3MB 10学币

Unit 2 Animals at the Zoo Lesson 12 The Clever Monkey 课件(23张PPT).ppt

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Review-动词过去时
辛集市新集镇第二小学
授课教师:张晓辉
一般过去时的谓语动词要用动词的过去式.动词过去式的构成分规则变化和不规则变化两种形式,不规则变化通常需要逐个记忆,规则变化则遵循以下原则:
(1) 一般在动词后加-ed.
如:play—played , offer—offered , weigh—weighed, destroy— destroyed , sign—signed.
(2) 在以字母e结尾的动词后,只加-d.
如:like—liked , provide—provided , hate — hated, date—dated.
(3) 在以“...