She was teaching since many years change into present perfect continuous tense
Answers
Answer:
The first auxiliary (have) is conjugated in the Present Simple: have, has
The second auxiliary (be) is invariable in past participle form: been
The main verb is invariable in present participle form: -ing
For negative sentences we insert not after the first auxiliary verb.
For question sentences, we exchange the subject and first auxiliary verb.
Look at these example sentences with the Present Perfect Continuous tense:
Answer:
The Present Perfect Continuous uses two auxiliary verbs together with a main verb.
In this lesson we look at the structure and use of the Present Perfect Continuous tense, as well as the use of for and since, followed by a quiz to check your understanding.
Note that continuous tenses are also called progressive tenses. So the Present Perfect Continuous tense is sometimes called the Present Perfect Progressive tense.
Explanation:
Please mark me brainliest, please