Position of Adverbs of Frequency in English

The adverbs of frequency are common adverbs. They include always, usually, often, sometimes, seldom and never. In the sentence they can occur in three positions: at the beginning, in the middle and at the end.

The adverbs of frequency are usually placed before the main verb. This is the case in the sentence She usually arrives early. However, with the verb be, the adverb of frequency is placed after the verb as in the sentence She is usually early.

With sometimes and usually it is also natural to place them at the beginning of the sentence. Examples include Sometimes I watch the news and Usually I drink coffee for breakfast. However, the most common is to place them before the verb.

Adverbs of frequency can also be placed at the end of the sentence. The sentence We see each other often is correct. However, the most common position for the advcrb is in the middle: We often see each other. 

The adverbs of frequency can occur in three positions in the sentence. They are the beginning, the middle and the end. The adverbs of frequency which are most common at the beginning of the sentence are sometimes and usually.