时态练习之:目前进行时一、概念:1、 目前正在进行或发生的动作,强调此时此刻 。如:He is reading. They are talking now.2、 目前一段时间内的活动或现阶段正在进行的动作。如:They are working these days.3、 某些动词的目前进行时,表预定的计划或即将发生的动作。如:I’m coming.二、其构造为 be+目前分词,目前分词的变法有:1、一般在动词词尾上加 ing.例: jump-jumping2、以不发音动词 e 结尾的动词,先去 e,再加 ing. 例:write-writing3、对于重读闭音节词,双写末尾字母再加 ing. 例:run-running三、可用来表达目前进行时的时间状语,常用的有:look, listen,now, this week, at this moment 等.四、一般疑问句是将 be 移到主语前面,句末加问号,读升调。 Are they singing? Yes, they are. / No, they aren't. Is he reading a book? Yes, he is. / No, he isn't. .否认句式是在 be 动词后加 not. I am not working. The students aren't playing football.一、单项选择 10 分1)Jack is_____with Jim.They are good____. A:running;friend; B:running;friends; C:runing;friends D:run;friend's2)Look! Mary____doing____homework.A:is;one's B:is;her C:are;his D:are;her3)The Greens____supper now. A:is having B:are;having C:is haveing D:are;having4)The children are____TV.A:watch B:seeing C:watching D:reading5)Are the boys looking at the blackboard? Yes,they____.A:aren't B:do C:don't D:are6)._____are the birds doing? They are singing in a tree.A.Who B.What C.How D.Where7)--Do you have a red pen?Which of the following is wrong? --____.A:Yes; I have one B:Yes,I have it C:Yes,I do D:Sorry,I don't8)--Excuse me.May I borrow a pen,please? --____.A:It doesn't matter; B:Thank you; C:Certainly,here you are; D:Not at all.9)The boy is late for class.So he says to the teacher,"________".A:I'm sorry B:Excuse me,May I come in? C:Let me in, D:I don't want to be late.10)I don't want a red apple.I want____. A:green apple B:a green C:a green one D:on...