Modal verbs with “if”:

5. The place was beautiful.
IX/ Modal verbs with “if”: * Làm bài tập 1 SGK, trang 38.
1. If we (keep)...
2. Pollution (increase)..
on using more and more cars, we (run)....................out of oil.
..if we (use) ....
......more oil and coal.
in bed for a few days.
3. If you (feel)...............
unwell, you ought to (stay)
...harder.
. If you want to have good marks, you (must, study).........
raining, we (can, go)..........
5. If it (stop).....
..out.