this,that,these和those是指示代词:
these是this的复数形式,指时间、距离较近的或下面要提到的人或事;
those是that的复数形式,指时间、距离较远或前面已经提到过的人或事物。
例句2:These pictures are good.
例句3:Are those apple trees?
在回答主语是these或those的疑问句时,通常用they代替these或those,以避免重复。
例句4:Are these/those your apples?Yes,they are.
1.There be放句首,主语跟在后。地、时放句末,强调置前头。
例句:There is a book on the desk.
例句:On the desk there is a book.
2.There be句型后be动词只考虑is,are.其后名词若是单数或不可数名词用is,若是复数就用are.
①There is a tree behind the house.
②There is some water in the bottle.
③There are some pears in the box.
3.如果“be”后的主语是由and连接的两个或两个以上的名词,那么be的形式要遵循“远亲不如近邻”的原则。也就是说,“be”的形式是由与它最近的那个名词来确定的。
若那个名词是单数或不可数名词要用is,是复数就用are.
例句:There is a book and some pens on the floor.
例句:There are some pens and a book on the floor.
例句:I like the baby very much.
2.后接动名词(-ing),表示“喜欢做某事",着重于习惯、爱好
例句:Tom likes playing football.
3.后接动词不定式(to do),表示“偶尔地喜欢做某事”,着重于某次具体的行为。
例句:I like reading,but I like to watch TV this evening.
1.this和that是指示代词,it是人称代词。
2.距离说话人近的人或物用this,距离说话人远的人或物用that.
例句:This is a flower. That is a tree.
3.放在一起的两样东西,先说this,后说that.
例句:This is a pen. That is a pencil.
4.向别人介绍某人时说this is.....不说that is....
例句:This is Helen. Helen,this is Tom.
5.this is不能缩写,而that is可以缩写。
例句:This is a bike. That's a car.
6.打电话时,介绍自己用this,询问对方用that.
例句:-Hello! Is that Miss Green?
7.在回答this或that作主语的疑问句时,要用it代替this或that.
例句:-Is this a notebook?-Yes,it is.
例句:What's that? -It's a kite.
例句:They want to join the sports club.
例句:He wants to play basketball.
3.变疑问句、否定句,要借助助动词do或does.
例句:-Do you want to play football?
例句:-Does he want to go home by bus?
变化:I→we,you→you,she/he/it→they
例句:She is a girl. →They are girls.
例句:I'm a student. →We are students.
例句:He is a boy. →They are boys.
例句:It is an apple. →They are apples.
5.指示代词this/that要变为these/those.
例句:This is a box. →These are boxes.
英语中月份和星期名称都是专有名词,它们的首字母必须大写,并且前面无需用冠词。
用英语表示日期,其顺序为“月+日+年”,日和年之间需用逗号隔开。
如:August 2nd,2003(2003年8月2日)
如:10th1 May, 2003(2003年5月10日)
2.过、差式,即几点差几分,几点过几分。(以30分为分界线)
例如:1:25 twenty-five past one。
例如:4:15 a quarter past four
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