Finish the following sentences
1.If you waste your time like this,... .
2.You would regret it afterwards,if...... .
3.If i were you,.... .
4.If I had had the opportunity to leave for a foreign country,... .
5.Will you be angry,if.... ?
6.If we had enough petrol,.... .
7.If anything happened,... .
8.I shall go for a bathe,if... .
9.If we had left earlier,... .
10.They would  have no end of trouble,if.... .
11.They would have prevented  the accident,if.. .
12.What would have happened to his career,if... .
13.If the hunter had note come,... .
14.If you stir your coffe,... .
15.If ice were heavier than wayer,... .
16.If i didn't know you needed help,... .
17.If i leave the knife in the water,.. .
18.If  it had not been for you,.. . 
19.If it had not been for the bad wether, ... .
20.You would regret it later,if... .
21.He would have died,if... .
22.I would persuade him to come back,if.... .
23.If you are here on time,... .