Use the conditional sentence 1 to complete the following sentences: If/ they/ not come/ her/ we / not be/ happy

Ex3: use the conditional sentence 1 to complete the following sentences
1. If/ they/ not come/ her/ we / not be/ happy.
--->
2. We/ go/ picnic/ if/ we/ have/ much time.
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3. Everyone/ can/ eat/ inside/ if/ it/ rain.
->
4. Unless/ i/ be/ busy/ i/ go/ sightseeing/ you.
->
5. If/ children/ go/ near/ Nick's dog/ it/ bite/ them.
--->
6. She/ take/ photos/ if/ she/ have/ camera.
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7. I/ write/ a letter/ you/ if/ i/ know address.
--->
8. If/ he/ be/ good/ all/ subjects/ parents/ be/ satisfied.
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