时态练习之：现在进行时一、概念：1、 现在正在进行或发生的动作， 强调此时此刻。如：He is reading. They are talkingnow.2、 当前一段时间内的活动或现阶段正在进行的动作。如：They are working thesedays.3、 某些动词的现在进行时，表预定的计划或即将发生的动作。如：I’m coming.二、其结构为 be+现在分词，现在分词的变法有：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、可用来表示现在进行时的时间状语，常用的有：look, listen,now, this week, at thismoment 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. .否定句式是在 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:are16）._____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 belate.10）I don't want a red apple.I want____. A:green apple B:a green C:a green one D:one green二、用...
