To have to ....

1.	they must	A.	Sie mussen
2.	I must	B.	er muss
3.	she must	C.	es muss
4.	he must	D.	du musst
5.	You (polite, singular or plural) must	E.	sie mussen
6.	you (singular, familiar) must	F.	ihr musst
7.	it must	G.	wir mussen
8.	you (plural, familiar) must	H.	sie muss
9.	we must	I.	ich muss

1.	they must → E
2.	I must → I
3.	she must → H
4.	he must → B
5.	You (polite, singular or plural) must → A
6.	you (singular, familiar) must → D
7.	it must → C
8.	you (plural, familiar) must → F
9.	we must → G