Indirect Questions. I have no idea how long the meeting will last. Indirect questions are a way of being polite.
We use them to talk to people who we don t know really well. This type of question is in the sections on indirect questions and inversion in standard grammar and textbooks. As such it does not change.
I m not sure which care i should choose.
These are generally used to ask strangers officials etc. It s best to teach this in isolation from indirect speech since syntactically they are actually completely different things. Indirect questions are a way of being polite. Yes no questions to make an indirect yes no question we use if and the word order of a normal positive sentence.
