1.immorality
prefix- im, root-morality
2.destabilization
prefix- de, root- stabilization
3.immodesty
prefix- im, root-modesty
4.illegitimacy
prefix- il , root- legitimacy
5.impossibility
prefix- im, root- possibility
1.although she works hard , but she cannot get good marks.
Correct - Although she works hard, still she didn’t get good marks.
2.his hairs are grey.
Correct - His hair is grey.
3.he gave me a five rupee note.
Correct - He gave me a five rupees note.
4.he will not pay unless he is not compelled.
Correct - He will not pay unless he is compelled.
5.i shall see you when i shall come back.
Correct - I shall see you when I come back.