Choose the correct sentence:

Q: Choose the correct sentence:

The correct answer is C. With 'doesn't' (does not), the main verb stays in base form — 'know', not 'knows'. 'Don't' is used with I/you/we/they, while 'doesn't' is used with he/she/it. In negative sentences with auxiliary verbs, the main verb doesn't take -s/-es.

Question

Accepted Answer

With 'doesn't' (does not), the main verb stays in base form — 'know', not 'knows'. 'Don't' is used with I/you/we/they, while 'doesn't' is used with he/she/it. In negative sentences with auxiliary verbs, the main verb doesn't take -s/-es.