In Past perfect^x, Difference between^x

Can you explain the different between "Sharon had already gone home." and "Sharon have already gone home." I know one is past perfect and the other is present perfect. But what does each sentence mean?

Hi,Yes, I see you're quite confused. Fandorin has already told you that "had came" does not exist. Shall I try and repeat with different words what he meant?Have a look at any dictionary. It will show you the three forms of this verb: come, came, comeThe first "come" is...

Hi teachers,Could you possibly tell me whether there is any difference between the past simple and past perfect in this sentence: They did not know each other until I introduced them.(simple past) They did not know each other until I had introduced them.(past perfect)Thank you in advance

Hi, Could someone help me understand the difference between Present Perfect and Past Perfect ? As far as I know in both tenses are used when an action begins in the past but continues into the present / holds relevance in the present. You'll find a lot of discussion on the Forum about these...

Hi,Could someone help me understand the difference between Present Perfect and Past Perfect ? As far as I know in both tenses are used when an action begins in the past but continues into the present / holds relevance in the present. Thanks... N

Hi,what is the difference between had shown and shownI had shown is Past Perfect tenseshown is a past participle. I wonder if you meant I showed, which is Simple Past. People often ask about the difference between Past Perfect and Simple Past. First, search the Forum with these terms and you...

Thanks CJ"Serious grammatical error" is my paraphrase. But when and if ESL students start to expressly state "this IS an exceptional usage", I suppose that means "these is a set rule on this and no one can break that in any shape or form"."the simplification of...

Interesting. The tense switch did not occur to me as a possible problem. There is certainly no implied if, as in if you (ever) dared to dream (such a situation) -- not to my ear.I would say it's an abbreviated way of saying situation that you have never dared to dream.never seems to...

Present perfect is used when some action happened in the past but result remains now, action completed in the recent past but result not finished yet,and past perfect is used when any action happened before another past action.

We use things like past perfect to make it clear what happened before something else. When you have a very clear marker like the word "before" the use of the past perfect isn't as important. A is fine and traditional. B. This is fine too because it's reported speech, which...