Present perfect continuous 1. The vegetables .... (boil) since o'clock 2. He ...,(wait) for her answer for six months 3. I ...(try)to find my documents since monday 4.my brother ...(play) computer games for 3 hours 5. He ...(ta...

Present perfect continuous 1. The vegetables .... (boil) since o'clock 2. He ...,(wait) for her answer for six months 3. I ...(try)to find my documents since monday 4.my brother ...(play) computer games for 3 hours 5. He ...(take,not) his medicine for the last week.