1 Are; I am
2 have; I have
3 Can; I can
4 have; I have
5 May; you may
He - он
She - она
They - они
Their - их..................................................................................
Ну можно начать с 'Three main branches of power are...' или 'They are...' и потом уже объяснять что это.
Was Marry at the theatre or museum yesterday? Marry was at the theatre.
Did Sam pass the exam or did he fail? Sam passed the exam