Bonjour,
Le present perfect se forme à partir de :
- L'auxiliaire HAVE au présent : have, have, has, have, have, have
- Du participe passé
My parents are very angry because I have broken Mum's favourite vase and my brother has damaged his tablet. On top, we haven't done our homework for tomorrow.
This river is badly polluted : a lot of [...] the water has turned yellow.
Tim is worried : he hasn't read his [...] has forgetten his textbook.
En espérant t'avoir aidé :)