The key answer of exercise 4
The key to exercise solutions in chapter 7.3 - Grammar for the textbook Focus 5 (2nd edition) - Student's Book with authors Sue Kay, Vaughan Jones, Monica Berlis, Heather Jones and Daniel Brawshaw from Pearson Education
Question
Read the GRAMMAR FOCUS and find an example sentence in Exercise 3 for each point below.
Answer
- You can use other words besides if, e.g. on condition that, as long as, providing / provided that, unless, etc. 3e, 4a
- If you use inversion in past conditionals and those with should and were to, you can omit if. 2b, 6c
- You can sometimes replace past conditionals with but for. 5f
- You use whether ... or not / whether or not ... (NOT if) to express alternative conditions. 1d
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