What are the signs of the present perfect tense in English?

In English, the Present Perfect Tense was used to indicate that an action had taken place in the past and continued to the present. It usually required auxiliary verb such as "has/has been" or "has/has been happening" and the present perfect tense. The following are some commonly used signs of the present perfect tense: 1 has/has been: It means that a continuous action has been going on since a certain time in the past. For example: - She has been studying English for five years - The movie has been popular for a year now 2 has/has been happening: indicates that a continuous action is in progress and has been going on for some time. For example: - The project has been ongoing for months now - She has been feeling tired all day 3 have/has+ past tense: It means that an action that has already happened began at a certain time in the past and continues until now. For example: - I have been to Paris twice - He has been a teacher for five years 4 been+ adjective/adverb: It means a state that lasts for a long time. For example: - The weather has been cold this winter - She has been feeling ill for a week