The climate ... (change) if more trees ... (die)
will change/die
Tom ... (come) to your party, if you ... (invite) him
will come/invite
If John ... (go) to America, I ... (miss) him
goes/will miss
If I ... (have) time, I ... (finish) that letter
have/will finish
The soup ... (be) very salty if you ... (put) too much salt
will be/put
If you ... (copy) my homework, Ms.Marlina ... (be) angry
copy/will be
If it ... (rain), you ... (get) wet
rains/will get
If he ... (tell) jokes, I ... (laugh)
tells/will laugh
He ... (give) some aspirins if she (not feel) well
will give/doesn't feel
If Maria ... (buy) a new TV, she ... (watch) soap opera
buys/will watch
If you ... (travel) abroad, you ... (need) a passport
travel/will need
You ... (not be) healthy if you ... (not eat) enough vegetables and fruits
won't be/don't eat
If we ... (go) to Sarah's party, we ... (have) a good time
go/will have
If she ... (not listen) to music, she ... (read) a book
doesn't listen/will read
You ... (not get) there on time, if you ... (not leave) immediately
won't get/don't leave
I ... (be) in my office if she ... (need) anything
will be/needs