A verb plus an adverb
A verb plus one or two prepositions
Any verb in a sentence or part of a sentence (a clause)
He is sitting on the table.
He sat up when she walked in.
He went up the stairs talking loudly.
He went on talking loudly.
They got together in Spring and were engaged by Autumn.
I’m going to the shops. Do you want to go together?
It depends how you count them
Are a more formal way to express something.
Are a more informal way to express something.
Can be substituted with stand alone verbs.
Can have only one or two meanings.
Can have more than eight meanings.
Are easy for foreigners to learn and understand.