Second:
if all ou cars used vegetable oil,we wouldnt produce so much CO2.
If I were you I would study English by all means.
If people knew their future they would make fewer mistakes.
third:<span>If it had not rained last night we would have visited our friends
</span>
<span>If I had known his address I would have written him at once
</span>
If we had bought that house, we would have had to rebuild the kitchen
1. Could I have some apple juice, please?
2. Can you tell me where Market Street is, please?
3.Can I see the menu, please?
4. Can I use your Ipad for a few minutes, please?
5. Could you lend me £20, please?
6.Can you take me to school, please?
7.Could you help me with my honework, please?
8.Can you give me a lift to the station, please?
He doesn't like cold weather in Rostov
2.John didn't read a comik yesterday afternoon
3.My friends didn't come to ny house last weekend
4.You didn't by a new CD yesterday
5.I didn't swim in the sea last sumer
6.Emma didn't tell me a joke yesterday
7.The cat didn't eat a fish last night
8. You and Jim didn't make sandwiches for lunch yesterday
9.Dad didn't drive to work yesterday morning
10.Our grandparents didn't send us an enail last week