школа россии стр.40№6 морро 3 класса как правильно записать решение

помогите с англиским!

Сhange the following sentenses into Conditional Sentenses

a)We missed the train because we didn't hurry.

b) I went to the library because i needed that book.

c) We were not invited to Ann's birthday party. We went to the cinema now

d) I didn't have an extra ticket to the theatre last night  and i couldn't invite you