Yes/No Questions — Adding If or Whether

When embedding a yes/no question, there is no question word to introduce the clause. Instead, add "if" or "whether (or not)". "Is she coming?" → "I don't know if she is coming." / "I don't know whether she is coming or not." Both "if" and "whether" are correct; "whether" is slightly more formal. Word order remains statement order.

Yes/No Questions — Adding If or Whether

Practice

"Is the meeting canceled?" → "Do you know ___ the meeting is canceled?"

She asked meI had eaten already.

Put the words in the correct order:

Click words from the bank to place them here

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Removing Do/Does/Did