- Real conditional in the preset or future and their results in the present or future
- If we continue to pollute our planet? future generation will suffer.
- To give conditional instructions
- If the people from Greenpeace call, tell them I'll call them back later.
Instead of will in the result clause in first conditional you can use:
- be going to
- have to
- ought to
Form: If+present tens, will
We might prevent disaster if we change the way we live now.