Conditional sentence type 1 and 2

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Across
  1. 1. What conjunction is used to start a conditional sentence? (2 letters)
  2. 3. 'If it rains tomorrow, we ... stay at home.' What verb is appropriate to complete the sentence? (5 letters)
  3. 4. Does Conditional Sentence Type 2 express something that is possible or impossible? (9 letters)
  4. 7. Does Conditional Sentence Type 1 talk about the future or the past? (7 letters)
Down
  1. 2. What verb form is used in Conditional Sentence Type 1? (6 letters)
  2. 3. 'If you study hard, you ... pass the exam.' Fill in with the correct verb form. (4 letters)
  3. 5. What verb form is used in Conditional Sentence Type 2? (4 letters)
  4. 6. 'If I ... you, I would apologize.' What verb is appropriate to complete the sentence? (3 letters)