My younger sister is good at Mathematics.

NASA scientists predicated that ice sheet of Greenland is getting thinned by about one meter per year.

Necessity does not obey any law

Neither of the two women wants their office renovated. = Neither of the two women wants her office renovated.

Never tell a lie. = Let not a lie ever be told.

Nip in the bud (destroy at beginning): অঙ্কুরে বিনষ্ট হওয়া All his hopes are nipped in the bud. তার সকল আশা অঙ্কুরে বিনষ্ট হল।

No news is good news. = কোন খবর না থাকাটাই সুখবর।

No one can do this. (Interrogative) = Who can do this?

No sooner had he taken the money than he went away. 

No sooner had she heard the news than she left the house.

Nobody believes a liar. (Interrogative) = Who believes a liar?

Nobody could ever count my love for you.

None but God can help us.

Noun clause.

Oasis= Oases