In Present tenses^x, Pronouns^x, Gerunds^x

when i teach the Present Continuous tense (elemenentary level) I usually ue these easy steps:1. Introduce/ review the Verb BE, in it's different forms..AM, IS, ARE ( Present Tense)2. Introduce/revi Personal Pronouns, I , HE, SHE, IT, WE, YOU, THEY.3. Explain/expound the relationship of...

Just change it into "I must go" - then it's easier to analyze: "go" here is the full verb that is in its infinitive and follows the modal auxiliary must - without to! I have to go: "have to" is the substitute form for "must", "go" again is the full verb in its infinitive. "Have to" here is a...