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16.  He isn’t a good runner because he doesn’t train every day.

-->If………………………………………………………………………

17. He doesn’t save enough to buy a computer but he’d like to

=> If………………………………………… ……………………………..​

18. I can’t tell you what time it is because I don’t have a watch.

=> If………………………………………… ………………….………..​

19. The dress is very expensive, so she can’t buy it.

=> If……………………………………………………..……… ………..​​

20.He doesn’t eat fish when he isn’t extremely hungry.

àIf………………………………………………………….…