We use the first conditional for real possibility. It’s used to talk about things which might happen in the future. Of course, we can’t know what will happen in the future, but this describes possible things, which could easily come true.
- If it snows tonight, the package will arrive one day late.
- If I finish my project today, I’ll go to the beach tomorrow.
- If my brother saves enough money, he will buy a new macbook pro this summer.
- My sister will miss her flight if the train is late again.
- The professor will miss her deadline if she doesn’t finish her research report soon.
- If we see them, we will tell them the new plans.
- If they don’t accept our proposal, what will we do?
- If you give me a contact person, I will do the rest.
- If we change the contract the client is going to be very mad.
- If you study my lessons, you will improve much faster.