I. 1. had
2. would have told you
3. would have sold
4. were
5. were

II. 1. had driven, had driven, wouldnt have run 
2. had told, had told, would have tried 
3. had gotten, would have phoned 
4. had, would do 
5. took 

III. 1. had known, would have written
2. hadnt rained, would have visited
3. had had (да, два раза), would have driven