With time expressions such as always, constantly, continually and all the time, the present continuous can express frequently repeated actions which annoy the speaker:
The present continuous tense is used to describe repeated, habitual actions that begin before a specific point in time (not necessarily the time of speaking) and finish after it. This point can be expressed with a time expression or a clause with a verb in the present simple tense:
The present continuous is used to express repeated or habitual actions in the present that are temporary and may or may not actually be happening at the time of speaking:
Lucy is taking piano lessons these days. Are you still seeing that guy from the hiking club?
The present perfect continuous tense is used to refer to continuous events that started in the past and have just finished but have a result in or an effect on the present moment. A time expression is not necessary:
The present perfect continuous is used to express repeated or habitual actions happening in an incomplete period of time. A time expression is usually necessary:
She has been getting up at 6 for the last two weeks.
I've been coughing all day.
