4. Do the correct forms

a) I am watching b) He is doing c) We are looking d) You are sitting e) He is going f) She is playing g) We are swimming h) He is saying Explanation: These sentences require the present continuous tense. The structure is: subject + am/is/are + verb-ing. 'Am' is used with 'I', 'is' is used with singular subjects (He, She, It), and 'are' is used with plural subjects (We, You, They).