D. Re-write these sentences by changing the numbers. (a) An aeroplane is flying in the sky. (b) What do you know about this man? (c) Student writes a letter. (d) Our two feet have two thumbs.

यहाँ दिए गए वाक्यों को "संख्याएँ बदलकर" फिर से लिखा गया है, जिसका अर्थ है एकवचन को बहुवचन में और बहुवचन को एकवचन में बदलना:

a) An aeroplane is flying in the sky.
Aeroplanes are flying in the sky.

b) What do you know about this man?
What do you know about these men?

c) Student writes a letter.
Students write letters.

d) Our two feet have two thumbs.
My foot has a thumb.