Outcomes C1 Perfect Aspect

Help

They should be here by now. I don’t know what could ____ (happen) to them.

have happened

I’m so embarrassed. I wish I ____ (check) out the qualifications of the travel agent before I paid him.

had checked

If you _____ (not see) Paris, then you should get on a plane today!

hadn't seen

Unlock this slideshow and over 4 million more with Baamboozle+

Try slideshows