虚拟语气有时假设的条件不通过条件从句表达出来,而隐含在某些短语中,如without,otherwise,or,but t

Without your help,I couldn't make such great progress.
没有你的帮助,我就不会取得这么大的进步
He has been ill for years.Otherwise he would still be working here.
如果不是病了几年,他仍会在这儿工作.
He telephoneed to inform me of your birthday,or I would have known nothing about it.他打电话告诉我你的生日,否则,我一点也不知道
I might have given you more help,but I was too busy.
我本可以给你更多帮助,但是我当时太忙.
He suggested that we (should) stay home.
他建议我们呆在家里
I would have come for the lecture given by professor lee yesterday,but I wasn't invited.
昨天我本可以去参加李教授的报告,但是我没有参加