Macmillan Holdings, LLC. Grammar Girl, Grammar Girl's, QDnow, and Quick and Dirty Tips are all trademarks of Macmillan Holdings, LLC. Today's topic is when to use affect with an a. Roberta grammar Grammar Girl, you still didn't directly respond to a question about affected/effected as participles. I'm struggling over an email to staff--do I use "effected staff" or "affected staff" when referring to staff for whom a certain criteria applies. Thanks for your assistance on this! http://grammar.quickanddirtytips.com/affect-versus-effect.aspx?commentid=21243#Comments http://grammar.quickanddirtytips.com/affect-versus-effect.aspx?commentid=21243#Comments Thu, 19 Nov 2009 00:02:21 GMT wilson.f grammar i want to know what the different of the meaning of present perfect and present perfect progressive. present perfect: have verb+ed present perfectprogressive : have been verb+ing http://grammar.quickanddirtytips.com/affect-versus-effect.aspx?commentid=21211#Comments http://grammar.quickanddirtytips.com/affect-versus-effect.aspx?commentid=21211#Comments Wed, 18 Nov 2009 02:36:16 GMT Rachel grammar Wow! That really helps! http://grammar.quickanddirtytips.com/affect-versus-effect.aspx?commentid=21091#Comments http://grammar.quickanddirtytips.com/affect-versus-effect.aspx?commentid=21091#Comments Mon, 16 Nov 2009 00:32:08 GMT Sonia grammar Hello Grammar Girl! I have this sentence. Its totally confusing me. He has the ability to affect the outcome, but he is not likely to take that chance. tell me about this affect? it is ok or effect should be there? Thanks http://grammar.quickanddirtytips.com/affect-versus-effect.aspx?commentid=21086#Comments http://grammar.quickanddirtytips.com/affect-versus-effect.aspx?commentid=21086#Comments Sun, 15 Nov 2009 17:34:26 GMT Catherine grammar Sorry, but I have one question about using these words. The sentence is 'Environmentalists are investigating the ways in which the oceans AFFECT/EFFECT the climate' What is better to use? I really need help. http://grammar.quickanddirtytips.com/affect-versus-effect.aspx?commentid=20946#Comments http://grammar.quickanddirtytips.com/affect-versus-effect.aspx?commentid=20946#Comments Tue, 10 Nov 2009 19:38:01 GMT Cultured Kidz grammar Cultured Kidz thinks Grammar Girl ROCKS! http://grammar.quickanddirtytips.com/affect-versus-effect.aspx?commentid=20875#Comments http://grammar.quickanddirtytips.com/affect-versus-effect.aspx?commentid=20875#Comments Mon, 09 Nov 2009 18:49:38 GMT AC grammar THANK YOU! That's been driving me nuts! http://grammar.quickanddirtytips.com/affect-versus-effect.aspx?commentid=20854#Comments http://grammar.quickanddirtytips.com/affect-versus-effect.aspx?commentid=20854#Comments Sun, 08 Nov 2009 22:45:37 GMT Joshua Thomas grammar I love this Grammer Girl website. It has affected me in a in a postive way. http://grammar.quickanddirtytips.com/affect-versus-effect.aspx?commentid=20767#Comments http://grammar.quickanddirtytips.com/affect-versus-effect.aspx?commentid=20767#Comments Wed, 04 Nov 2009 08:51:49 GMT David M. grammar Those two words have been haunting me for the my last three years in college. Your answer helped me almost instantly to define the two. Affect is to influence and effect is the result....Thank you. David M. http://grammar.quickanddirtytips.com/affect-versus-effect.aspx?commentid=20093#Comments http://grammar.quickanddirtytips.com/affect-versus-effect.aspx?commentid=20093#Comments Thu, 22 Oct 2009 16:23:49 GMT Dainelle grammar thanks that was really helpful. http://grammar.quickanddirtytips.com/affect-versus-effect.aspx?commentid=19947#Comments http://grammar.quickanddirtytips.com/affect-versus-effect.aspx?commentid=19947#Comments Sun, 18 Oct 2009 19:48:35 GMT Thu, 19 Nov 2009 00:02:21 GMT http://grammar.quickanddirtytips.com/affect-versus-effect.aspx feedback@quickanddirtytips.com (Managing Editor) feedback@quickanddirtytips.com (Webmaster) en-us