判断正误
①To draw maps properly, you need a special pen.（______）
②To draw maps properly, a special pen is needed. （______）
③They started early in order to get there in time. （______）
④In order to get there in time, they started early. （______）
⑤They started early so as to get there in time. （______）
⑥So as to get there in time, they started early. （______）