If you’re running a marathon, you should drink plenty of water.
If you’re running a marathon, drink plenty of water.
If I meet him, I’ll tell him about our meeting.
I’ll tell him about our meeting if I meet him.
If you’re running a marathon, you should drink plenty of water.
If you’re running a marathon, drink plenty of water.
If I meet him, I’ll tell him about our meeting.
I’ll tell him about our meeting if I meet him.