If you want to know more, here is an article about a tweak that will do it. http://www.idownloadblog.com/2012/10/06/ipad-mouse/. Though the article is old, the tweak it described still works on iOS 8.4. You can also connect a keyboard and mouse at the same time, and the iPad will display a cursor for the mouse.
Have + been + verb + -ing. The _______ is used for an event that has been completed before the present moment in time. Simple past. When a progressive tense is used in the independent clause, the dependent clause typically uses the _______ tense. Simple past. Read the quotation below and complete the instruction that follows.
The past perfect tense is used when two actions take place in the past. We use the past perfect tense for the action which took place first and the simple past tense for the action which takes place next. Example 1: The bus left at 10.30 pm. We arrived at 10.40 pm. When we arrived, the bus had left.