Ответ:
if i dont finish my homework,i will be able to do it tomorrow
if i stay in this evening,i will call my mom
if it snows tomorrow,I won’t go anywhere
if my favourite actor comes to town,i will be happy
if i dont go on holiday,they will go to the concert without me
if you help me with maths,i will help you with geography
if my friend isn't at school,i will go to his house
if my mother doesnt feel well,i will call to hospital