to present as worthy of confidence, acceptance, use, etc.; commend; mention favorably: to recommend an applicant for a job; to recommend a book. to represent or urge as advisable or expedient: to recommend caution. to advise, as an alternative; suggest (a choice, course of action, etc.)

recommend to tell somebody what you think they should do in a particular situation; to say what you think the price or level of something should be:

1. We’d recommend you to book your flight early.
2. a recommended price of $50.

To urge or advise (someone) to do something. urge. advocate. counsel. implore.

What is the opposite of recommend?

Especially is defined as particularly or to a greater degree. An example of especially is when someone is a really a great cardplayer. An example of especially is when a particular car like a Ferrari is nicer than all other cars. adverb.

Both are correct. The first is more direct, and the second is more polite. Could you please . . .

Could you please send me your mobile number. I would regard could as more polite than can in this context. There is probably no proper way. All are grammatically correct.

The word “send” is the present perfect tense of the verb while the word “sent” is the past tense and past participle tense of the verb. Both have progressive forms with the word “send” being used in its present form and the word “sent” in its past form.