`4.` If you take the first bus, you will get there on time.

`5.` If you need more helpers, I can try and get some time off work.

`6.` Mary might deliver your parcel if you asked her.

`7.` If I were 20, I would travel around the world.

`8.` If Jim lent us car, we could go to the party.

`9.` We would save 3.50 a day if we didn't eat any lunch.

`10.` If burglars broke in to my house, they wouldn't find any money.

`11.` Would you be very angry If I failed my exam?

`12.` If I were you, I would phone her straight away.

`13.` If you loved me, you would buy me a diamond ring.

`14.` If I knew where she lived, I would go and see her.

`15.` If you went to bed earlier, you would not be tired.

_______________________________

`-` Áp dụng:

`+)` Cấu điều kiện loại 1.

`-` If + thì hiện tại đơn, S + may/ can + V_{(nguyên mẫu)}

`-` If + S + is/am/are …, S + will/ can/ may (not) + V_{(nguyên mẫu)} …

`-` If + thì hiện tại đơn, S + would like to/ should/ must/ have to/  + V_{(nguyên mẫu)}