1.If it cost too much ,I .....(buy) a small one
2 If you .....(drive) more carefullly ,you wouldn't have so many accidents
3 What ...(happen) if there ....( not be) gravity
4 If I ( mark) that mistake again my teacher ...(get) angry
5 If I spoke English well my job ...(be) a lot of easier
6 He ....(meet) his old friend if he ...(go) to london yesterday
7 Would you mind if you studdenly ...( win) haft a million pounds 8
8 I.....(lend) them some money if they ask me
9. If we ...(know) who he was.we ....(invite) him to speak at our metting
10 If they had invited us naturally we ...(go) to the parrty
11 If....(be) you I .....(tell) her the truth
12 I was busy If I ....(have) free time I ...(go) to the cinema with you
13 What we ....(do) if they ...(not come) tomorrow
14 If I ...(have ) enough time now I...(write) to myparents
15It's too bad Helen isn't here if she ...(be) here ,She ....(know) what to do
16 If I..... (not eat) brakfast tomorrow morning I...(get) hurnry during class
17 He might have understood you if you ...(speak) more slowly
18 If the weather ..(be) nice today we ....(go) to the zoo
19 If you meet him remmber ....(not tell) him what I...(just say) to you
20 why didn't you attrnd the meeting
oh I ......( not know) indeed If I .....(know) I...(come) there