Помогите сделать задание по британскому. Fill in the blanks with either

Teachers will be happy If their students behave themselves in class
If climate continues to change like this, human begins will have to adopt
If you had better looks, the model's agency would choose you to do commercial
If children watch too much tv, they will get dressed
I would find a big lake if I walked till the end of the road
People would be healthier if they had a thirty minute walk daily
You would be a better cook if you practice more often
My mum would be happy with me if I helped her with the housework
If I don't make my bed in the morning, my mother will punish me
If the ink is too much, your work will be blurred
If you keep running like that you will have a heart attack
You would be smarter if you took advantage of your potential
You will cut yourself if you mishandle that big knife
We would all benefit if you were more easy going
If this smell continues , we will need to open the window