1)if the weather (be) fine, we (go) for a walk
2)if i (have) money? i (buy) this dress
3)if my mum (bring) a cake, i (invite) my friends
4)if i (be) you , i (go) to the doctor
5)if she (call) you, she (fell) you everything
надо поставить в conditional 2 и 3 каждый