Wyrazy podane w nawiasach napisz w odpowiedniej formie. Co jest sprawdzane w każdym z tych zdań?

Everybody (be) ____________ happy, because they’re eating their favourite ice-cream.

The (child) ____________ were waiting for the first star to appear in the sky.

Jack (study) ____________ Chinese at university and then went to Beijing.

He enjoys (have) ____________ a picnic with his class.

I (not tell) ____________ you about the accident yet.