2、Jenny is plaiing(play)football.

　　 答案：1.swimming　　　 2 .playing

　　 解析：动词变现在分词可有如下口诀：“一添一去y不变”。 “一添”指双写规则：“一去”指去掉不发音字母e规则：“y不变”指要与名词变复数区分开。

　　 二 丢掉be动词或忘记把动词变成现在分词

　　 例：

1、They are swiming.(swim)

7、The girl____(like)wearing a sweater. Look！ She ____(wear)a red sweater today.

　　 答案：

　　 1 is lying　 2 is mending　 3　 are playing　 4 are doing

　　 5 Is cleaning　 6 is singing　 7 likes ；is wearing

　　 一　 把动词变成现在分词形式易出错

　　 例：

6、 Who____(sing)in the next room？

5、 ____he ___(clean) the classroom？

4、 What ____you____(do) these days？

3、 We _____(play)games now.

2、 What____he _____(mend)？

1、 It‘s ten o’clock. My mother _____(lie)in bed.

5、–When_____he_____back？

　　 – Sorry,I don‘t know.

　　 A. does，come　　 B.are coming

　　 C.is come　　　　 D.is coming

　　 答案：A　 C　 A　 B　 D