Put the words in brackets into the correct form: 1. If they (to investigate) that region, they (to find) petroleum
2. If we (to produce) iron and steel, we (to be) millionaires.
3. If they (to manufacture) motor vehicles and agricultural machinery, they (to be) an
important industrial centre.
4. If there (to be) torrential rain, strong gusty wind and large hail, it (to damage) wheat
crops.
5. If it (to be) a severe thunderstorm, it (to cause) flash flooding.