"I have gone to China" answers the question Where are you?
"I have been to China" answers the question Where have you been?
had gone and has been gone are in past . had gone is sometime before he or she had gone but has been gone is long time before . had gone is compared to gone and has been gone is the superlative of all....
The phrase "had already left" is grammatically correct. The phrase "had already been gone" is not grammatically correct.
been there focus on destination. gone there focus on the trip.
You say he is gone when you do not expect him to come back.
"Been to" is used when you have visited a place and returned, while "gone" is used when you have traveled to a place but have not returned yet. For example, "I have been to Paris" means you visited Paris and returned, whereas "I have gone to Paris" means you have traveled to Paris but are still there.
difference between didnt go and hadnt gone . didnt go is past tense while hadnt gone was used as past perfect continuous tense.
goo gone removes things
Much the same as the difference between to and in.
went is the past tense
Both are generally asking the same question. They just contain different grammar constructions.
"where have you been" is something a person would ask another person after they have returned from a place unknown to the asker. "where have you gone" is something a person would ask another person while they are in an unknown place and have not yet returned.
Was is preterit. Gone! Clean cut. Has been is past "participle", of participate? That is, the emotion of the past act carries into the present, drags into the present as it is remembered and talked about.