Put the verbs in brackets into either "The Present Simple", "The Future Simple" or "The Imperative". 

Example: If you (walk)…under a ladder, it (bring)… 

bad luck. 

If you walk under a ladder, it brings bad luck. If you walk under a ladder, it will bring bad luck. 

1. If it (be)… 

foggy this evening, I (stay)… 

at home. 

2. If we (take) 

care of the environment, our children (have) 

a better future. 

3. If you (eat) 

so much carbohydrate, you (put on) … … 

weight. 

4. if we (plant) 

more trees, our children (have)… 

a better environment. 

5. If I (get)… 

a bad headache, I (take)… 

one of these tablets.