Complete the sentences with the Present Perfect Continuous form of the verbs in brackets: 1) He ... here for over ten years. 2) Jill ... in this lake since she was a child. 3) How long ... of this injured bird? 4) They ... very hard for their exams. 5) My parents ... to charity for a long time. 6) The government ... to reduce pollution for years.

1. He has been working here for over ten years.
2. Jill has been swimming in this lake since she was a child.
3. How long have you been taking care of this injured bird?
4. They have been studying very hard for their exams.
5. My parents have been donating to charity for a long time.
6. The government has been trying to reduce pollution for years.

Формула времени: have/has + been + verb-ing. Это время употребляется для действий, начавшихся в прошлом и продолжающихся до настоящего момента, а также для подчёркивания длительности действия.