Compare the following two sentences:
A. If you call me, I come.
B. If you call me, I will come.
Both sentences seem to suggest that an action will take place, if a certain condition is met.
That’s what they have in common.
There is a difference though in the way that sentence A seems to express a sort of general rule, a principle that the speaker adheres to.
In sentence B, the speaker merely states an intention (what is likely to happen).
We use the 1st Conditional in offers, suggestions, warnings and threats.
Examples: If we hurry (present simple), we will catch the bus.
If we miss it, there will be another one
Try the exercise below!