a. He is as wise as his sister. (change into Negative) 6. He put the cup on the shelf. (change into interrogative) c. He said to her. Will you play tomorrow? (change into indirect) d. Doctors cure patients. (Change into passive) e. She (not eat) vet. (Rewrite it using correct tense) t Everybody has eaten? (use correct question tag)

a. He is as wise as his sister. (change into Negative)

⇒Neither he is wise nor his sister.

b. He put the cup on the shelf. (change into interrogative)

⇒Did he put the cup on the shelf?

c. He said to her. Will you play tomorrow? (change into indirect)

⇒He asked me that whether I play the next day.

d. Doctors cure patients. (Change into passive)

⇒Patients were cured by doctors.

e. She (not eat) yet. (Rewrite it using correct tense)

⇒she hadn't eaten yet.

f. Everybody has eaten? (use correct question tag)

⇒Everybody has eaten, haven't they?

14 days is the half-life of phosphorus-32