1、Who is that at the door?,Come in. 进来吧。Have a cup of tea then. 那么喝杯咖啡吧。Lets go into the living room, Carol. 我们到客厅里去吧，卡罗尔。这3句都是祈使句。表示请求或命令的句子叫祈使句。祈使句中主语you常不出现，谓语动词用原形，句末用感叹号或句号。读时用降调。,Arent Tom and Carol having dinner?Are they having lunch?Why doesnt Sam want to have lunch?What time did Sam have lunc
2、h?,Has Sam already had a cup of coffee?,Ive just had a cup. 我刚喝了一杯。句中 cup后省略了 of coffee。,Where are Tom and Carol going?,Were going to leave tomorrow. 明天我们就要走了。 这里的 are going to表示“打算”、“准备”。,leave v. （1）离开，出发： The train is going to leave in 5 minutes. 火车将于5分钟后开出。 Im going to leave Italy. 我准备离开意大利。 （2）
3、舍弃；脱离： Johns wife left him for another man. 约翰的妻子舍他而去，投入另一个男子的怀抱。 Alexander is leaving the company after 30 years service. 亚历山大将在为公司服务了30年之后离开公司。 （3）留给，遗留；委托： The famous actress left all her money to charity. 这位著名的女演员将她所有的钱都遗留给了慈善机构。 Leave it to me, he said. “这事交给我来办吧，”他说道。,pack v. （1）打包，装箱： We are
4、leaving tomorrow and I havent even started packing yet. 我们明天就要走了，而我甚至还没开始将行李打包呢。 Don t forget to pack the mirror! 别忘了把镜子装起来！ （2）挤满，塞满： The movie fans packed the hall. 大厅里挤满了影迷。 The bus was packed with people. 公共汽车里挤满了人,Has Tom already had his holiday this year?Where did Tom go?,现在完成时 构成：主语+助动词（have/
5、has)+过去分词2. 用法： 表示过去发生的和现在有着某种联系的动作，常和just, usually, already, since等时间副词连用。eg: I have just had lunch. (饱了，不用再吃了）He has had a cup of tea. (不渴了，不用再喝）They have already had their holiday. (不能再度假了）The boy has already read the book. (已经知道书的内容，不用再看）,询问别人是否做过某事一般用现在完成时Have you finished your homework?Have yo
6、u been to Beijing?Has he seen the film?表示开始于过去并持续到现在的动作I have lived in Beijing for twenty years.I have worked for this school for 1 year.,表示一种经历，经验；去过地方，做过事情，经历过事情I have never seen a film.I have never been to cinema.I have ever been to Paris.have been to表示去过，have gone to表示去了I have been to London. (人
7、已经回来）He has gone to London.(人还在那里）表示一种结果，一般不和时间副词连用I have lost my pen.I have hurt myself.He has become a teacher.She bas broken my heart.,句型变化： 变疑问句将助动词移到句首，变否定句在助动词后面加not.Have you lost your pen? I have lost my pen.肯定回答及否定回答Yes, I have. No, I have not.特殊疑问句What have you done?What has he done?,一般过去时与现在完成时的区别：凡是有明确的表示过去的时间状语的句子为过去时注意：有些动词表示的动作有一个重点，不能再延续，因此不能和表示一段时间状语连用。错：Ive left Beijing for 3 days.对：I left Beijing 3 days ago. I have been away from Beijing for 3 days.,
