The perfect aspect
Present Perfect
have/has + V3/ed use for complete actions that have an importance/result in the present: Ex. I’ve painted the room. (my walls in the room are blue now) use for unfinished actions that has continued up to the “now” moment: Ex. I have known Jack for 5 years now. use with the time espressions: already, yet, just, recently, for, since, ever/never. Ex. I haven’t called her yet. She has had her car for 3 years already. use with stative verbs: know, have, be, see and etc. Present Perfect Continuous
have/has + been + V ing use for temporary situations: Ex. I have been going to the gym recently. use to emphasize the duration of an activity with the present result: Ex. I have been doing housework all day. (that’s why I’m tired) use for repeated actions: I have been going to the hairdresser far too much recently. use with the time expressions: for, since, recently, all day/week/month/year