The aliens were arrived on Neptune in the 20 century (wrong)
The aliens arrived on Neptune in the 20 century(correct)
I am following the below link for transitive verb , direct and indirect objectshttp://www.chompchomp.com/terms/indirectobject.htm
But I dont know why first one is wrong and the other is right . Please explain
What is your native language? I find it sometimes easier to compare to that.
The verb "arrive" cannot be transitive, so it cannot exist in the passive voice. Transitive verbs take a direct object, meaning you can't "arrive a person/thing".
I'm not sure if this is helpful...
Blogging about the MBA application process. Because I need to do something with all this bschool energy.
http://www.mybreakaway.com/ Recent post: September 20, "Transitions"
Yale School of Management MBA Candidate, 2015.