She must be exhausted after the trip, (a)   ?

They wouldn't have left without telling us, (a)   ?

You should have told me earlier, (a)   ?

He can't play the piano, (a)   ?

We ought to start working now, (a)   ?

She wouldn't mind waiting for a while, (a)   ?

They might have forgotten the meeting, (a)   ?

You wouldn't do such a thing, (a)   ?

He mustn't touch anything in the lab, (a)   ?

We couldn't have known about the surprise, (a)   ?

They won't need any help, (a)   ?

She has to finish the project by Friday, (a)   ?

You might want to reconsider, (a)   ?

He shouldn't have said that, (a)   ?

They couldn't possibly know the answer, (a)   ?

We won't have to wait long, (a)   ?

You can't have seen him there, (a)   ?

She would have called if there were a problem, (a)   ?

He might not agree with the plan, (a)   ?

If she had studied harder, she would have passed the exam, (a)   ?

Nobody told you about the meeting yesterday, (a)   ?

The package was supposed to arrive by now, (a)   ?

You haven't forgotten that we're meeting at 3 p.m., (a)   ?

He said he would help us with the project, (a)   ?

If they had known about the traffic, they would have left earlier, (a)   ?

There's no point in arguing about it now, (a)   ?

Everyone expects her to win the competition, (a)   ?

This is the first time you've been here, (a)   ?

She'd rather stay at home than go out tonight, (a)   ?

The problem could have been avoided if we'd planned better, (a)   ?

You'll remind me to call him later, (a)   ?

It's unlikely that they'll finish the work on time, (a)   ?

They wouldn't have arrived so early if they hadn't left at dawn, (a)   ?

He's the only one who knows the truth, (a)   ?

She might have misunderstood what you said, (a)   ?

The documents should have been signed yesterday, (a)   ?

You can't expect everyone to agree with you all the time, (a)   ?

If we don't leave now, we'll miss the train, (a)   ?

Nothing could have prepared them for what happened, (a)   ?