Understanding the Expression 'At All'

What is the primary purpose of using the expression 'at all' in a sentence?

• To ask a question

• To express uncertainty

• To make a sentence positive

• To emphasize a negative statement

In which of the following sentences is 'at all' used correctly?

• He is happy at all.

• She didn't like the food at all.

• They are coming at all.

• I enjoy this movie at all.

How can 'at all' be used in response to a question?

• To agree with the question

• To express a strong positive feeling

• To indicate a strong negative response

• To show confusion

Why can't 'at all' be used in the sentence 'I eat non-vegetarian food at all'?

• Because it is a suggestion

• Because it is a command

• Because it is a question

• Because it is a positive sentence

What does 'at all' imply when used in a negative sentence?

• A question about preference

• A positive affirmation

• A complete absence or negation

• A slight degree of something