Réponse:
what did you do yesterday Mike?
I went to the swimming pool and I swam for 2 hours.
How long did it take you to do your essay?
It took me an hour
Mr Johnson flew from San Francisco and he arrived...
Mickael, did you know the Romans built cities...
Of course I did. We learnt it...
Explications:
preterit : verbe + ed sauf verbes irréguliers à apprendre.
1
À la forme interrogative, on utilise "did" + verbe à l'infinitif
