I can never use the phone because my sister is talking to her friends. (add one missing word)
I can never use the phone because my sister is always talking to her friends.
Adam is not very confident – he focus on his weaknesses when you ask him what he can do. (add one missing word)
Adam is not very confident – he will focus on his weaknesses when you ask him what he can do.
Last semester we to hand in our assignments every Monday. (add one missing word)
Last semester we used to hand in our assignments every Monday. (add one missing word)