Why can't you say 'He must talking to you'?

Study Guides on verbs followed by a gerund rather than an infinitive or the simple form of the verb. (2 study guides/ each guide contains 6 pages)

Also, videos on  more general discussions on pronunciation, metaphoric English, idiomatic expressions, grammar, collegiate vocabulary, prefixes, roots, suffixes and more, go to carralaficklin.com.  At Carralaficklin.com you can also find video on Spanish, Spanish expressions, Spanish grammar, Spanish relationship with English and English relationship with Spanish and the other Latin-based languages.  There even is a discussion on verbs and the subjunctive mood in English versus Spanish.

Wylcomenetwork.com Study Guide for Why can't you say 'He must talking to you'? helps you to learn one of the most frustrating area of English grammar – when there are two verbs in a sentence, in which form is the second verb.  Wylcomenetwork.com Quick Study Guides illustrate which verbs in the English language require the gerund rather than the infinitive or  the simple form of the verb (Incorrect: I must to talk to you/ Incorrect:  I must talking talk to you/ CORRECT: I must talk to you)