Use the words given to make a first conditional sentence. Make
necessary changes and add some words.
1. If / burn rubbish, / produce harmful smoke.
2. If / reuse bottles, / save a lot of money.
3. If / use recycled paper, / save / trees.
4. If / plant trees in the schoolyard, / school / greener place.
5. If / rubbish bin in every class, / classroom / cleaner.
1. If we burn rubbish, we will produce harmful smoke.
2. If we reuse bottles, we will save a lot of money.
3. If we use recycled paper, we will save trees.
4. If we plant trees in the schoolyard, our/the school will be a greener place.
5. If there is a rubbish bin in every class, our/the classroom will be cleaner.
