TE4022 week 5 7A grammar

They _________ (know) that the restaurant was so popular.

He ________ (see) the danger sign before he went on the ice.

She ______ (study) harder for her exams.

He _______ (forget) to buy petrol at the petrol station that he passed.

The 8.30 train _______ (be) late.

The cars _______ (drive) more carefully in the fog.

They ______ (miss) the goal, because they look happy.

The woman _______ (want) the fish for her supper.