We use the perfect present continuous to express a action that began in the past and has continued or has had an impact. This article will teach you this time. We use Present Perfect Progressive to express an action that started in the past and the process continues until the present, or its effect on the remaining present. The difference between this time and the perfect state is that in the perfect state the emphasis is on the process and the continuity of the action. First we get acquainted with the structure of this time: Present Perfect Continuous structure To make this time, we need the auxiliary verb have and the third form of the verb be, being, and the ing mode of the main verb. Exceptions in adding ing 1. If the end of the verb was e, it is deleted when converted to gerund, except for verbs whose end is ee, oe, and ye. Come - coming Agree - agreeing 2 . In British English it is repeated twice if the current ending is L, but in American English it L is repeated once. tr