Select the appropriate Modal to fill in the blank in the sentence given below:

Since the remote is with my mother, I _________ not switch on the T.V.

can

The correct answer is Option (4) - can

The sentence expresses the idea that the speaker is currently unable to switch on the TV because the remote is with their mother. The appropriate modal verb for expressing ability or inability in the present is "can" (or its negative form, "cannot" or "can't").

 "Since the remote is with my mother, I can not switch on the T.V."

• This means the speaker is unable to switch on the TV at the moment.