Errores frecuentes
Position not in a compound verb after the first auxiliary.
With the present or perfect participle, place not at the beginning: Not having set the alarm, he was late for work. Not being rich, he couldn't afford it.
Place the adverb enough after the word it qualifies and not before.
When enough is an adjective, it comes before the noun: We have enough food for six people.
Place adverbs of indefinite time, like ever, never, always, often, seldom, soon, sometimes and the adverbs almost, scarcely, hardly, nearly, even, before the principal verb.
With the verb to be place the adverb of indefinite time after the verb: They are always beautifully dressed.
Adverbs or adverbial phrases of definite time, like yesterday, today, tomorrow, last week, two months ago, are usually placed at the end of the sentence. If we want to emphasise the time, we put the adverb at the beginning: Yesterday I was very busy.
If there is more than one adverb of definite time in a sentence, put the more exact expression before the more general: He was bom at two o'clock in the morning on April 12th 1942.