Rewrite sentences using Past Simple or Future Simple. Examples: Sally can speak on the phone for hours. - Sally could speak on the phone for hours. I can join you today. (next Sunday) - I will be able to join you next Sunday. I can play the piano very well. (when I was 15) Julia can show you her native town. (next Saturday) Bill can't enter this university. (a year ago) He can't fix the computer. (last week) We can win this competition. (next month) The whole family can't go for a walk because of bad weather. (yesterday) The boy can't attend his friend's birthday party. (tomorrow)

I could play the piano very well when I was 15. - Я умел очень хорошо играть на пианино, когда мне было 15 лет.

Julia will be able to show you her native town next Saturday. - В следующую субботу Джулия сможет показать вам свой родной город.

Bill couldn't enter this university a year ago. - Билл не мог поступить в этот университет год назад.

He couldn't fix the computer last week. - На прошлой неделе он не мог отремонтировать компьютер.

We will be able to win this competition next month. - Мы сможем выиграть этот конкурс в следующем месяце.

The whole family couldn't go for a walk yesterday because of bad weather. - Вся семья не могла пойти на прогулку из-за плохой погоды.

The boy won't be able to attend his friend's birthday party tomorrow. - Завтра мальчик не сможет побывать на дне рождении своего друга.