to have breakfast | having breakfast | had breakfast | he/she has breakfast | I/he/she had breakfast | he/she had breakfast
haben | habend | gehabt | du hast | er/sie hat | wir haben | ich/er/sie hatte | er/sie hat/hatte gehabt | ich/er/sie hätte | nicht haben | er/sie hat nicht | er/sie hatte nicht
to have { had; had } | having | had | you have | he/she has | we've; we have | I/he/she had | he/she has/had had | I/he/she would have | have not; haven't | he/she has not; he/she hasn't | he/she hadn't
müssen; tun müssen | müssend | gemusst | er/sie muss (muß [ alt ]) | ich/er/sie musste (mußte [ alt ]) | er/sie hat/hatte gemusst (gemußt [ alt ]) | ich/er/sie müsste (müßte [ alt ])
to have to | having to | had to | he/she has to; he/she must | I/he/she had to | he/she has/had had to | I/he/she would have to