The rule as a picture, 5 multiple-choice questions, 3 sentences to correct and a short writing task. Free to print and copy for your class or for self-study.
Want the explanation first? Read the First Conditional lesson
Use the first conditional for a real possibility in the future and its likely result: If it rains, we'll stay at home. Form: if + Present Simple, will + base verb. Never use will in the if-part.
If it rains, we'll stay at home.
Write three sentences of your own that use this rule. You can use these phrases.
Answers will vary. Check that each sentence follows the rule on page 1, or paste them into Clarigram to have them checked.