A、按要求改写句子。
1.Judy is collecting some facts for a class project on pollution.
否定句：Judy is not collecting some facts for a class project on pollution.
一般疑问句： Is Judy collecting some facts for a class project on pollution.
肯定回答：Yes she is.
否定回答：No she is not.
2.we are polluting our environment.
否定句：we are not polluting our environment
一般疑问句：are we polluting our environment
肯定回答：Yes we are.
否定回答：No we are not
3.Trees are communicating with one another.
否定句：Trees are not communicating with one another.
一般疑问句：Are trees are communicating with one another?
肯定回答：Yes they are
否定回答：No they are not.
4.Scientists are only now beginning to understand them.
否定句：Scientists are not only now beginning to understand them.
一般疑问句：Are scientists are only now beginning to understand them?
肯定回答：Yes they are
否定回答：No they are not.
5.We are destroying our best fighters against pollution.
否定句：We are not destroying our best fighters against pollution.
一般疑问句：Are we destroying our best fighters against pollution?
肯定回答：Yes we are
否定回答：No we are not
6.Judy is interviewing Doctor Ray about trees.
否定句：Judy is not interviewing Doctor Ray about trees.
一般疑问句：Is Judy interviewing Doctor Ray about trees.
肯定回答：Yes she is
否定回答：No she is not.
B、用所给的动词（现在进行时态）填空：
1.My grandma __is watching______(watch) TV now.
2.He____is listening____(listen) to the teacher at present.
3.Listen! Who ____is shouting_____(shout) in the classroom?
4.What ___are______you___doing_____(do) now?
5.Tom and his teacher __are talking_______(talk) over there.
6.Look! Yourmother ___is waiting_______(wait) for your over there.
7.Hurry up ! The bus__will leave_______(leave) in 15 minutes.
8.My little sister__always_____(always)___asks_____(ask) me strange questions.
9.Jim _____has_____(have) an English class now.
10.What_are_________you__planning______(plan) to do?
11.We______are interviewing____(interview) Doctor Ray at the moment.
12.___Is_____she_studying________(study) hard now?
Yes , she__is_________.
13.Lucy and lily ___are communicating______( communicate) in Chinese over there.
14.My father____is not doing___(not do ) morning exercise now.
15.__Is____your brother_____playing___(play) football in the playground now?
No,he__is not______.
16.__Are_____you___reading______(read) English at this moment?
17.Look! Tom__is digging______(dig) a hole on the ground to find gold.
C、写出下列单词的现在分词v-ing形式。
plan____ planning ___ cut ___ cutting dig digging interview interviewing_
thank___thanking____ do____doing____ read__reading______ try____trying____
live_living________ match____matching____ mean (meaning) make (making)
help(helping) come(showing) show(showing) look (looking)
introduce (introducing) say___saying____ give_____giving____ pass___passing_____ ollect__collecting_____ use___using____ enjoy____enjoying_____ cool____cooling_____
clean_cleaning_______ begin___begining____ understand___understanding______ attack___attacking____
warn___warning____ produce__producing_____ join___joining_______ communicate___communicating_____
burn__burning_____ destroy___destroying______ fight __fighting_____ pollution___polluting ____
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