... and ... are two main political parties of Great Britain.

The party's main two branches are the social- liberals based around groups like the Social Liberal Forum, and the 'Orange Book' grouping

1. hadn't called 2. had been crying 3. had switched 4. was playing 5. had just happened 6. had parked 7. were lying 8. hadn't finished 9. had been working 10. had been driving

наст простое: сущ + глагол в первой форме (с окончанием s если у нас he, she, it)

если предложение отрицательное или вопросительное  используем do (does) not

пример: i know.

наст длительное:   сущ + вспом глагол + глагол с окончанием ing

пример: i am sleeping.