Question

Do as directed (i) He is a tall boy.

Answer 1

Is he a tall boy?

Explanation:

• The given sentence is a simple sentence of present tenswe.
• The structural formula os simple tense is  
• Subject + 1st form of verb + object
• In order to make it an interrogative sentence, the helping verb is placed at the beginning of the sentence.
• Here the helping verb is "is".
• Thus the sentence becomes "Is he a tall boy?".