--- “Have you ever been to Beijing?”             
--- “No, but I wish I _____” 

A few minutes earlier and we _____ the rain. 

I _____ you some money, but I hadn’t any on me then. 

He treated me as though/as if _____ his own son. 

You _____ come earlier. The bus left a moment ago. 

Should it rain, the crops _____ . 

_____ today, he would get there by Friday. 

_____ any change about the date, please tell me immediately. 

Had you listened to the doctor, you _____ all right now. 

It is important that we _____ wild animals.