Помогите исправить предложения

  • 1.I can’t stand to watch TV all evening!
    2.Look! I think that might been a lion over there
    3.My parents used to get married in 1992.
    4.We’ll leave when Tom gets here.
    5.That was a difficult job.It can’t be easy for you!

  • 1.I can’t stand watching TV all evening!
    2.Look! I think that might have been/might be a lion over there
    3.My parents got married in 1992.
    4.We’ll leave when Tom gets here.---Ничего не меняем
    5.That was a difficult job .It could not be/can't have been easy for you!