Н-p: John ... (not have) a car accident if heе. (choose) another road. (John wouldn't have had a car assident if he had chosen another road. 1. I ... (visit) Sarah yesterday if I ... (know) that she was ill. (I would visited Sarah yesterday if I knew she was sick.) 2. If you ... (go) with me to Paris last month, you ... (see) the Eifel Tower too. (If you would come with me to Paris last month, you would have seen the Eiffel Tower too.) 3. We ... (not get wet) if you. (Take) an unmbrella. (We wouldn't get wet if you took an umbrella.) 4. If Mum ... (not open) the windows, our room ... (not be) full of mosquitoes. (If Mom hadn't opened the windows, our room wouldn't be full of mosquitoes.) 5. Nick ... (not be) so tired this morning if he ... (go to bed) early last night. (Nick wouldn't be so tired this morning if he went to bed early last night.)
