二、几种常见句型

　　1．It is/has been＋一段时间＋since...

　　It is/has been two weeks since we arrived here.

　　自从我们到这里已经有两星期了。

　　It is/has been quite some time since I was last in London.我不在伦敦已经很长时间了。

　　2．This/It is the first/second/...time (that)．..这是某人第一/二次/......做某事。

　　This is the first time I have been here.

　　这是我第一次到这里来。

　　It was the fifth time you had visited the Summer Palace.那是你第五次参观颐和园了。

单句语法填空

1．I have read(read) half of the English novel，and I'll try to finish it at the weekend.(2016·北京)

2．Despite the previous rounds of talks，no agreement has been reached(reach) so far by the two sides.(2015·天津)

3．In my hometown，there is always a harvest supper for the farmers after all the wheat has been(be) cut.(2015·重庆)

4．-How much do you know about the Youth Olympic Games to be held in Nanjing?

-Well，the media have covered(cover) it in a variety of forms.(2014·江苏)

5．We won't start the work until all the preparations have been made(make)．(2014·天津)

6．When I first met Bryan I didn't like him，but I have changed(change) my mind.

(2013·新课标全国Ⅰ)

Ⅰ.单句语法填空

1．Mr Yang is not at home.He has gone(go) to Shanghai on business.

2．A lecture on the computer has been given(give) three times by Mr Zhang already.

3．This is the most interesting party that I have enjoyed(enjoy)．

4．Cathy hasn't phoned(not，phone) her mother since she went to Berlin.

5．It is the first time that he has left(leave) his country.

6．My parents have promised(promise) to come to see me before I leave for Africa.

7．I was out of town at that time，so I don't know exactly how it happened(happen)．

8．-Oh no！We're too late.The train has left(leave)．

-That's OK.We'll catch the next train to London.