The main objective of a 'conjunction' is-

Give her a telephone number to ring ……… she gets lost. I will watch while you sleep. এখানে “while শব্দটি- Tell me _ that. Look before you leap. The word before used in the sentence is— Visit you — I have finished my homework. 'He is poor but honest.' _ in this sentence which is conjunction? I will write down the phone number ____ I forget He could not win but learnt a lot. Which parts of speech is the word 'but'? ........ you start now, you will be late. I have read the book _ you lent me.