Поставьте глаголы в скобках в нужную форму, используя правило First Conditional
If the weather (be) IS lovely Jane and her friends (swim) WILL SWIM in the river.
If the weather (be) fine Jane and her friends (have) a picnic.
If there (be) fog Jane (invite) her friends to the café.
If her parents (agree) they (take) Jane and her friends to the countryside.
If it (be) very hot they (go) to the beach.
If there (be) rain they (stay) at home.