“Recommend to” is the most appropriate phrase to use when the recommendation is addressed to a specific person. This specific person need not be named. It takes the form of … See more

“Recommend for” is more often used in cases when the word following the phrase describes a position, a job, or a category (e.g. “those with diabetes”). Unlike in the phrase “rec… See more

According to Google Ngram Viewer, “recommend to” is more frequently used than “recommend for”. Google Ngram Viewer can chart how often both phrases are used i… See more

Yes, the word “recommend” can be used on its own without a preposition. The word “recommend”, as defined in the Cambridge Dictionary, means “to suggest that someone o… See more