put the verbs into the right tense forms .
if the weather is nice tomorrow,we...............to the river(to go).
l'll be happy if l ...... a five in maths.(to get)
if we go by train,we..........late.(to be)
you will catch a cold if you...... a warm coat. (not to put on)
if she ......fre time, she will go to cinema.(to have)