Complete the sentences with the verbs from the box.(can,can't,may,may not,must,mustn't) 1) 1)It's very hot.You................water the flowers. 2)Nick................play chess very well. 3)...................I go for a walk?-No, you................ .Where is your homework? 4)You................swim here. The water isn't clean.5)Sorry,I.................help you now. 6)It's raining.I...................take my umbrella.