bonjour qui pourrait m aider svp, il faut corriger les fautes des phrases, c est du preterit merci

Mum watched television last night (pas de did à la forme affirmative)

The teacher gave us....   (verbe irrégulier)

She went to London three weeks ago (ago après le complément de temps)

Paul didn't answer ....   (forme négative :  sujet + didn't + base verbale)

Did she come last ...  (interrogation : did + sujet + base verbale)

Did she study German...