1. I have not met him since 1999

2. If he he phones his wife immediately, he will get some information.

3. He apologised for being late

4. He can't have done it on purpose 

5. Mr Benson let Alison leave early

6. The workers threatened to go on strike

7. The car belongs to Mrs Edwards

8. According to the station clock , it was half past ten

9. No longer does my father go to work by motorbike

10. The father told the son not to break the law

Ex2:

1. Since his wife died in 1987 , Charle lived alone

2. By last week, the price had increased by twenty-eight pence.

3. It is the wettest summer in France in fifteen years

4.  As soon as people began to make things to sell, advertising was found to be useful

5. American women always shake hands when they are introduced to men. 

①Rewrite the following sentences, beginning á shown so the meaning stays unchanged
1: I met him for the first time in 1999.
 >I had not  met him since 1999
2: Unless he phones his wife immediately, he won't get any information. 
>If he doesn't phone his wife immediately, he won't get some information.
3: " I am sorry I was late" He said
>He apologised  for being late
4:  I  am sure he didn't do It on purpose
> He can't have done it on purpose 
5: "You can leave early". Mi Benson said to Alison
> Mr Benson let Alison leave early
6: " We will go on strike" the Workers said
> The workers threatened to go on strike
7: Mrs Edwards is the owner of the car
>The car belongs to Mrs Edwards
8: The station clock showed half past ten 
>According to the station clock , it was half past ten
9: My Father no longer goes to work by motorbike
> No longer does my father go to work by motorbike
10: " Don's try to break the law "  said the father to the son
> The father told the son not to break the law
②use the cues to make complete sentences
1:Since /wife/ die/ 1987 / Charle/ live/ alone

=>Since his wife died in 1987 , Charle lived alone
2: By last week /price /increase/twenty -six pence

=>By last week, the price had increased by twenty-eight pence.
3: It /be/ wettest summer/ France /fifteen years 

=>It is the wettest summer in France in fifteen years
4: As so as /people /begin /make things/ sell /advertising/ found/ useful

=>As soon as people began to make things to sell, advertising was found to be useful
5: American women / always / shake hands / when they/ introduced / men

=>American women always shake hands when they are introduced to men.