We can put adverbs and adverb phrases at the front, in the middle or at the end of a clause. [Resource from here]
The front position of the clause is the first item in the clause:
Suddenly I felt afraid.
Yesterday detectives arrested a man and a woman in connection with the
The end position of the clause is the last item in the clause:
Why do you always have to eat so fast?
The mid position is between the subject and the main verb:
Apples always taste best when you pick them straight off the tree.
Where there is more than one verb, mid position means after the first auxiliary verb or after a modal verb:
The government has occasionally been forced to change its mind. (after
the first auxiliary verb)
You can definitely never predict what will happen. (after a modal
We mightn’t ever have met. (after the modal verb and before the
In questions, the mid position is between the subject and the main verb:
Do you ever think about living there?
Adverbs usually come after the main verb be, except in emphatic clauses:
She’s always late for everything.
When be is emphasized, the adverb comes before the verb:
Why should I have gone to see Madonna? I never was a fan of hers.