Are you confused how to use 'not' and 'no'? Look at these examples. Can you find any grammar pattern? I have no money. Peter was no help...

Very often I hear something like: "I couldn't find what I was looking for so a staff helped me." 'a staff' is incorrect because "staff"...

What is the difference between: 'convenient' and 'convenience' ? convenient is an adjective. We can use it in two ways: 1. After a ‘be’...