Learner writes a real condition as if + present, then will + verb, in either order.
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Seven parts, and one of them is the comma.
Build one real conditional. The if-half comes first here, so the comma is one of the parts you place.
Six conditionals. Two of them need no will at all.
Which is correct?
One frame, two halves, either order.
If governments invest in transport, congestion will fall.
Present after if. Will in the other half.
✗ If governments will invest, congestion falls.
The two halves have swapped. That is the fault this whole chapter guards against.
Two hinged arms that close only one way round.
The short arm and the long arm only meet one way round.
Eight conditionals. Four give you the if-half, four give you the other.
If fees increase, fewer students [apply].
If the law changes, companies [relocate].
If demand rises, prices [rise]. — this one is true every time, not a single prediction
Cities will change if the transport policy [pass].
Farmers migrate if the rain [fail].
Water boils if you [heat] it to 100°C.
If the trend continues, the city [run] out of water by 2040.
Prices [fall] if supply increases next year.
Two real conditions, one fronted and one not.
Topic: free public transport in large cities.
Sentence 1: start with the if-half. Sentence 2: put the if-half at the end.
Both should describe something that could actually happen.
One per line.