Put the verbs into the correct form. (sp.) 1) if the ice caps(melt)/ sea levels(rise). 2) we(protect) the environment more, if we all acted responsibly. 3) if terrible floods(happen) every year, the economy will suffer. 4) she(say) if she had seen you? 5) if i(know) before, i would have recycled more.

1) If the ice caps (melt), sea levels (will rise).
2) We (would protect) the environment more, if we all acted responsibly.
3) If terrible floods (happen) every year, the economy will suffer.
4) What would she (have said) if she had seen you?
5) If I (had known) before, I would have recycled more.