MÜSSEN VERB(to have to, must)

Present

I have to	ich muß
you [fam./sing.] have to	du mußst
he, she, it has to	er, sie, es muß
we have to	wir müssen
you [fam./plural] have to	ihr müßt
they have to	sie müssen
you [formal] have to	Sie müssen

Imperfect (simple past)

I had to	ich mußte
you [fam./sing.] had to	du mußtest
he, she, it had to	er, sie, es mußte
we had to	wir mußten
you [fam./plural] had to	ihr mußtet
they had to	sie mußten
you [formal] had to	sie mußten

Perfect

I have had to	ich habe gemußt
you [fam./sing.] have had to	du hast gemußt
he, she, it has had to	er, sie, es hat gemußt
we have had to	wir haben gemußt
you [fam./plural] have had to	ihr habt gemußt
they have had to	sie haben gemußt
you [formal] have had to	Sie haben gemußt

Pluperfect

I had had to	ich hatte gemußt
you [fam./sing.] had had to	du hattest gemußt
he, she, it had had to	es, sie, es hatte gemußt
we had had to	wir hatten gemußt
you [fam./plural] had had to	ihr hattet gemußt
they had had to	sie hatten gemußt
you [formal] had had to	Sie hatten gemußt

Future

I will have to	ich werde müssen
you [fam./sing.] will have to	du wirst müssen
he, she, it will have to	er, sie, es wird müssen
we will have to	wir werden müssen
you [fam./plural] will have to	ihr werdet müssen
they will have to	sie werden müssen
you [formal] will have to	Sie werden müssen

Future perfect

I will have had to	ich werde gemußt haben
you [fam./sing.] will have had to	du wirst gemußt haben
he, she, it will have had to	er, sie, es wird gemußt haben
we will have had to	wir werden gemußt haben
you [fam./plural] will have had to	ihr werdet gemußt haben
they will have had to	sie werden gemußt haben
you [formal] will have had to	Sie werden gemußt haben