Either…or: You can either stay at my house or in a hotel. (Used to join equal elements in a sentence)
Neither …nor: He neither speaks Hindi nor understands it (Used to negate each of the two things)
Not only… but also: She is not only beautiful but also intelligent. (Used to emphasize two words or phrases simultaneously
Whether…or: I’ll see whether she is at home or not. (Used to express doubts or choice between two possibilities)
As.. as : His score card was not as bad as thought.(Used to link similar elements.)
Subordinating Conjunctions:
As soon as: I will call you as soon as I arrive.(Used to show that something happens immediately)
Unless : You will lose your job unless you change your attitude.(Used to say what will happen
if something else does not happen
Because : She does not go to college because she is ill (Used to give reason)