What grammatical name is given to this expression...What made her choose me

that i could take care of myself to this expression

That I could take care of myself

since there is no question mark, indicating a sentence, I guess it must just be a subordinate (noun) clause.

I don't know (what made her choose me).

Now, for extra credit: what part of the sentence is "choose me"?

The grammatical name given to the expression "What made her choose me?" is an interrogative sentence.

To determine the grammatical name of a sentence, we first need to identify the type of sentence it is. In this case, the sentence begins with the word "What," indicating that it is a question. Questions are usually formed by inverting the subject and auxiliary verb or using question words like "what," "who," "where," "when," "why," etc.

In terms of sentence structure, "What made her choose me?" is a complex interrogative sentence. It consists of a subject ("her") and a verb phrase ("made her choose me"). The verb phrase contains the verb "made" and the object "her choose me."

Overall, the expression "What made her choose me?" is an example of an interrogative sentence, specifically a complex interrogative sentence.