Q1
Which sentence is grammatically correct?
Explanation: doesnt is the correct third-person singular negative of do. The base verb know follows the auxiliary.
Q2
Which sentence is grammatically correct?
Explanation: 'Doesn't' is the correct third-person singular negative form of 'do'. The base verb 'know' is used after auxiliaries.
Q3
Choose the correctly spelled word:
Explanation: The correct spelling is 'accommodate', with two c's and two m's.