2、 失态后推，即过去àhad done, 现在àdid, 将来àwere to
1、 If I...., I would…
2、 If I had not drunk Three Deer, I would be clever.
1、 If I…, I could…
2、 If I studied well well, I could went to Pacific Western University.
3、 If I studied hard, I could go to in Pacific Western University.
1、 If my father…, nobody would …
2、 If my father was Li Gang, nobody would fought with me.
3、 If my father was Li Gang, nobody would fight with me.
1、 If I…, I would…
2、 If I were to be a director, I would were to invite my grilfriend to be the leading actress.
3、 If I were to be a director, I would invite my gril friend to be the leading actress.（执行了时态去重。would和were to都表示将来，重复了）