Present perfect continuous tense

Structure of present perfect continuous
positive negative question
I / you / he / she / it / we / they
have been working.
I / you / he / she / it / we / they
haven’t been working.
I / you / he / she / it / we / they
been working?
Present perfect continuous – common mistakes
Common mistakes Correct version Why?
It has been rain heavily all day. It has been raining heavily all day. The structure of the present perfect continuous is have/has + been + verb + -ing.
I have sat here for two hours. I have been sitting here for two hours. Verbs such as sit, wait, speak, etc. (‘non-stative’ verbs) suggest continuity and so are mostly used in the continuous (-ing) form.
I have worked here for five years.
I have been working here for five years.
When BOTH the simple and continuous forms are possible, native speakers prefer to use the continuous.