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.
Dependent Clauses. Dependent Clauses cannot stand by themselves and make good sense. They must be combined with an independent clause so that they become part of a sentence that can stand by itself. (Review the section on Commas Usage for advice and plenty of exercises on the punctuation requirements when dependent and independent clauses are combined.)