Englisch: modale Hilfsverben
Modalverben: can, could, can´t, couldn´t, may, must, mustn´t, needn´t, should, shouldn´t
Setze das richtige Modalverb ein.

1 I (couldn´t/can´t) play tennis yesterday.

2 She (must/can´t) the Internet. Her parents won´t let her.

3 You (must/mustn´t) cross here. It´s too dangerous.

4 The bell has rung. (May/Needn´t) we go outside?

5 Please take your mobiles, then I (mustn´t/can) call you.