Correct the following sentences (any 5):

I shall write him tomorrow.

Translate into English:

তার সব চেষ্টাই ব্যর্থ হলো ।

Make necessary corrections in the following sentences:

He will come back by the by.

Change the voice:

Let him sing a song.

Fill in the blanks with correct articles:

. . . . . . . Atlantic is a vast ocean.

Fill in the blanks:

Water .. . . . . . . into vapour.