Question

What are the rules of Present Perfect Continuous?​

Answer 1

Answer:

Present Perfect Continuous Tense - Negative

Type of Sentence Rule

Negative Subject + Has/Have + Not + been + Verb (Ist form) + Ing + Object + For/Since + Time + Remaining + (.)

Explanation:

please follow me I will give 10 thanks

Answer 2

$\huge\mathtt\red{Answer}$
→We use the present perfect continuous to show that something started in the past and has continued up until now. "For five minutes," "for two weeks," and "since Tuesday" are all durations which can be used with the present perfect continuous. Examples: They have been talking for the last hour.
→The present perfect continuous tense is used to talk about a continuous, but not necessarily finished action or situation. The present perfect tense is used to talk about a finished action or situation