5. Rewrite the sentences in the negative

a) I'm not having lessons at school now. b) My mother is not going to shop at the moment. c) He's not swimming now. d) Mechanics are not fixing cars today. e) She's not playing the guitar now. Explanation: To make sentences negative in the present continuous tense, we add 'not' after 'am', 'is', or 'are'. The structure is: subject + am/is/are + not + verb-ing.