بعض أسئلة find the mistake

[sersan]

أريد إجابة بعض أسئلة find the mistake

1-Are you able to describe what you had seen last night ?
2- I can`t afford to rent another flat .
3- Tamer didn`t swim well but he could complete the race.
4- There is a possible that ice caps will melt
5- Hats could been coming back into fashion