Exercise Conditional sentences

1) If I (know) that you were ill, I (go) to see you.
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2) If she`d had enough, She (buy) a car.
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3) I (buy) a car If you lend me some money.
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4) I (see) him if I (go) to the party last night.
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5) We could have gone out if the weather (not be) so bad.
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6) If the book (not be ) expensive, I`ll buy it.
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7) You would be very surprised if he (return)
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8) If I (know) that you were ill, I (go) to see you.
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9) If she`d had enough, She (buy) a car.
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10) I (buy) a car If you lend me some money.
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11) I (see) him if I (go) to the party last night.
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12) We could have gone out if the weather (not be) so bad.
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13) If the book (not be ) expensive, I`ll buy it.
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14) You would be very surprised if he (return) I`ll go out if it (not rain)
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15) They wouldn`t come to the party if you (not invite) them
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16) What you (do) if you (be) him?
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17) If that hat costs much, I (buy) a small one.
( 18) If you (drive) more carefully, you wouldn’t have had so many accidents.
( 19) If I (make) that mistake again, my teacher will get angry with me.
( 20) If I spoke English, my job (be) a lot easier.
( 21) If he (go) to London yesterday, he (met/would meet/had met/would have met) his old friend.
( 22) I will lend them some money if they (ask) me.
( 7) If we had known who he was, we (invite) him to speak at our meeting.My dog will bark if it (hear) any strange sound.
( 23) If I (have) enough money, I would buy a house.
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24) They (let) you in if you come late.
( 25) If you (not go) away, I’ll send for a policeman.
( 26) If I (be) in your place, I would accept Mr. Anderson’s invitation.
( 27) If I (win) a big prize in a lottery, I’d give up my job.
( 28) If I (be) you, I (tell) the truth.
( 15) I was busy. If I (have) free time. I (go) to the cinema with you.
( 28) Why didn’t you attend the meeting?
( Oh, I did not know. If I (know) I (come) there.
( 29) What we(do)  if they do not come tomorrow?
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30) If I had enough time now, I (write) to my parents.
( 31) It’s too bad Helen isn’t here. If she (be) here, she (know) what to do.
( 32) If I don’t eat breakfast tomorrow morning, I (get) hungry during class.
( 33) If she (come) late again, she’ll lose her job.
( 34) I’ll let you know if I (find) out what’s happening.
( 35) If we (live) in a town, life would be better.
( 36) I’m sure he wouldn’t mind if we (arrive) early.
( 37) We (phone) you if we have time.
( 38) If I won the lottery, I (give) you half the money.
( 38) It (be) a pity if she married Fred
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39) If I’m free on Saturday, I (go) to the mountains.
( 40) She (have) a nervous breakdown if she goes on like this.
( 41) I know I’ll feel better if I (stop