http://www.englishforums.com/English/EslGeneralEnglishGrammar-Questions/Forum12.htmAsk your questions on grammar and get your sentence checked. We answer lots of different types of general English grammar questions here. <font color=red>DO NOT post paragraphs and compositions here. Post them in our <a href="http://www.englishforums.com/English/EssayReportCompositionWriting/Forum9.htm"><b>Essay, Report and Composition Writing Forum</b></a>.</font>enXMOD (Build: 3614.32638)http://www.englishforums.com/English/SimplePastPresentPerfect/bqmdj/post.htm#165676Tue, 24 Feb 2009 09:05:12 GMT946f00bb-57d3-4b7b-a9a2-059b5341af52:165676Mister Micawber0http://www.englishforums.com/English/SimplePastPresentPerfect/bqmdj/post.htm#165676http://www.englishforums.com/English/comments12-165676.xmlFirst, please see Post:49154 . Then, which questions still need answering?http://www.englishforums.com/English/SimplePastPresentPerfect/bqmdj/post.htmSat, 24 Jan 2009 09:05:12 GMT946f00bb-57d3-4b7b-a9a2-059b5341af52:165657Diamondrg1http://www.englishforums.com/English/SimplePastPresentPerfect/bqmdj/post.htmhttp://www.englishforums.com/English/comments12-165657.xmlWhat is the difference between the simple past and the present perfect indeed? 1- definite time and indefinite time? can simple past be used with indefinite time adverbs? 2- can "just", "already" and "yet" be used with the simple past? 3- if yes, why do you think they are mostly associated with the present perfect in most grammars? 4- I think there is a difference between AmE and BrE about this. what is that? 5- Are "I washed my car" and "I have washed my car" grammatically correct? Is there a difference? if there is, can you talk about the situations explaining that? 6- What are the situations in which we choose one rather than the other?