das machen muss

must do that

→ das
phrase Rare #29,158
must do that A clause fragment with a subject understood from context. The form changes with the subject and tense, such as „das machen müssen“ (must do that) or „das machen mussten“ (had to do that).
GE: Ich weiß, wer das machen muss.
EN: I know who must do that.

Bitte sag Tom, dass er das machen muss.

Please tell Tom he has to do this.

Ich weiß nicht, wie man das machen muss.

I don't know how to do that.

— Zwei glorreiche Halunken (1966)

Tom weiß schon, wer das machen muss.

Tom already knows who has to do it.

Tom hat mir gesagt, dass ich das machen muss.

Tom told me I had to do this.

Hast du in Erfahrung bringen können, warum Tom das machen muss?

Have you found out why Tom has to do this?

Ich verstehe nicht, warum Tom das machen muss.

I don't understand why Tom has to do that.