0 0100StartFragment00>02br 02br 00In a web site operated by A service of the U.S. National Institutes of Health, I saw a sentence like the following.02br 02br 00What is 00happened/ happening00 to HIV/AIDS+ Widows in Tanzania - Africa.02br 02br 00I can take 'what is happening' as OK with me. 02br 02br 00But I learned that 'what is happened' is not possible, because verb 'happen' is intransitive verb. 02br 02br 00Can you show me where I am wrong? 0-
Top answer
0 what is happening: OK02br 00what is happened: not OK02br 00what has happened: OK0-
— Marius Hancu
0 what is happening: OK02br 00what is happened: not OK02br 00what has happened: OK0-
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0 02hr00Thanks, I was just wondering if my grammer that 'happen' is intransitive a verb is wrong. But you should understand my cautiousness because there are so many exceptions in any grammer.02br 02br 00Thanks again, Marius Hancu.02br 02br 05000 030srchttp://forum.wordreference.com/images/misc/progress.gif