1) When do we use the first conditional sentences? 2) What do we use in the if-clause? 3) What do we use in the main clause? 4) What is the opposite of “if”? What tense do we use after it? 5) What can we use instead of “if” What tense do we use after it? 6) Do we need a comma in conditional sentences?

First Conditional Revision rules

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