The following are general rules on the placement of the adverb in the sentence, although there are numerous exceptions
1 .- so Adverb
Examples:
Carefully, honestly, Quickly, Silently, happily, quietly, well, Badly ...
Is placed after the verb:
She eats Quickly
Or if the sentence is a complement, behind it. Never enter the verb and add:
She eats the apple Quickly
The foregoing rule change if the supplement is preceded by a preposition, because then you can place the adverb before the preposition or after the supplement:
He looks for keys historical Desperately
He looks for historical Desperately keys
If the object is a sentence adverb is usually placed before the verb:
Carefully He looks the Children After All That live with him
2 .- Adverb of place
Examples:
down, up, everywhere, nowhere, Here, There, somewhere, away, inside, upstairs ...
The adverb is placed after the verb (if it does not add):
I went abroad
Or if the sentence is a complement, behind it.
I have sent abroad are historical
If the supplement is preceded by a preposition is placed just behind the supplement:
I went abroad with His Wife
3 .- Adverb of time
Examples:
soon, Lately, today, tomorrow, yesterday, now, Afterwards, recently, yet, still ...
It can be placed at the beginning or end of the sentence:
Yesterday I Play Tennis
I play tennis yesterday
Adverb of freuencia 4 .-
Examples:
always, never, Often, frequently, twice, Seldom, eleven, Sometimes, Usually ...
Its placement will depend on the verb:
a) In simple verbs:
a.1) Verb "to be" after the verb:
He is Always at home
a.2) Other verbs: before the verb:
He never answers the phone
b) With compound verbs: behind the auxiliary:
Often I've Travelled to England
c) In interrogative sentences: subject + auxiliary + adverb
Do you play tennis often?
d) In negative sentences: behind the auxiliary:
I have not ever danced Rock & Roll
5 .- sentence adverbs
Are those adverbs that qualify the full meaning of the sentence. They express the opinion of the issuer.
Examples:
evidently, Probably, Apparently, Cleary, Certainly Naturally, Luckily, Officially ...
General rule: you can go to the beginning or end of the sentence (sometimes some of them also may be in intermediate positions).
Evidently your car is one of the most expensive in the market
Your car is one of the most expensive in the market, evidently
Naturally you can do whatever you want
You can do whatever you want, Naturally
6 .- Adverbs of degree
Examples:
much, very, quite, pretty, Nearly, Rather, Completely, Rarely, Entirely, Almost, extremely ...
Is placed before the verb, adverb or adjective it modifies.
f the compound verb is placed behind the assistant.
He is Completely crazy
She plays tennis well remove
I Almost died from tuberculosis
This couple finished Completely Have Their Relationship