If I were you, I would study harder for the exam.（如果我是你，我会为考试更努力学习。）

He suggests that we should start the project as soon as possible.（他建议我们尽快启动这个项目。）

It's time that we went to bed.（我们该上床睡觉了。）

If it rained tomorrow, we would stay at home.（要是明天下雨，我们就待在家里。）

I wish I could fly.（我希望我能飞。）

Had he known the truth, he wouldn't have made such a mistake.（要是他早知道真相，就不会犯这样的错误了。）

The doctor ordered that she (should) stay in bed for a week.（医生嘱咐她要卧床一周。）

If I had enough money, I would buy a new car.（如果我有足够的钱，我会买一辆新车。）

It is necessary that we (should) protect the environment.（我们有必要保护环境。）

She acts as if she were the boss.（她表现得好像她是老板似的。）

If I had met him yesterday, I would have told him the news.（如果我昨天见到他，我就会告诉他这个消息了。）

They demanded that the company (should) give them a pay raise.（他们要求公司给他们加薪。）

I'd rather you didn't tell him about it.（我宁愿你不告诉他这件事。）

Were I to see her, I would invite her to dinner.（要是我能见到她，我会邀请她共进晚餐。）

It's a pity that he should be so careless.（真遗憾他竟然如此粗心。）

If only I had listened to my parents' advice!（要是我当初听了父母的建议就好了！） The teacher insisted that we (should) hand in our homework on time.（老师坚持要求我们按时交作业。）

Suppose you lost your job, what would you do?（假设你丢了工作，你会怎么做？） I wish I had gone to the party last night.（我希望我昨晚去参加派对了。）

It seems as though it might rain.（看起来好像要下雨了。

）