"Recommend to have" vs. "recommend having" [duplicate]

I am writing my bachelor dissertation and several times Microsoft Word has corrected me from "to have" to "having". One of the sentences, for instance, goes like this:

The author recommends to have ‘(...)'. Bugeja further recommends having a student blog where prospective...

Can anyone enlighten me?

Particular English verbs require particular kinds of grammatical structure for their objects.

If the person who is to take the action is expressed, Recommend takes either a that clause or an infinitive:

I recommend that you read this carefully.

I recommend you to read this carefully.

But if the person is not expressed, it takes a noun phrase with a gerund (-ing) form:

I recommend reading this carefully.

There is no point in looking for a reason for this: it just happens to be a fact about the word recommend in current English. (Require and advise have the same pattern; suggest is similar, but won't take the to form; want takes only the to form).