Question

помогите пожалуйста английский язык

Answer 1

К Ex 2a нужен текст, без него никак.
А вот с 2c могу помочь:
Present Simpe-Past Simple
Past simple- Past perfect
Present perfect- Past perfect
Am/is/are+going to-am/is/are+going to+ be+V3 form
Can/cant- could/couldn't
Will/won't-would/wouldn't