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(3.7 Years ago Wed, 07 Oct 2009 01:46:03 +0000)
http://www.engvid.com/ Learn the subtle differences between 'must' and 'have to' and 'mustn't' and 'don't have to'. This grammar lesson will explain how to u......
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(3.7 Months ago Fri, 01 Mar 2013 12:41:08 +0000)
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(2.4 Years ago Tue, 25 Jan 2011 01:12:29 +0000)
Practice forming negative statements using the 'be' verb in the present....
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(1.9 Years ago Mon, 18 Jul 2011 03:18:23 +0000)
Simple past tense Negative form. It is important to use the auxiliary DID in negative sentences. We also have to remember that the verb must be in its simple......
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(5.4 Months ago Tue, 08 Jan 2013 21:04:12 +0000)
Watch more live classes at http://www.colingo.com/classes....
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(4.6 Years ago Sat, 15 Nov 2008 14:28:53 +0000)
Forming the Negative of the simple past To form the negative of a sentence in the Simple Past you need to use the past form of the auxiliary verb 'do' - that......
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(10.7 Months ago Wed, 01 Aug 2012 13:41:15 +0000)
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(11 Months ago Tue, 24 Jul 2012 15:23:19 +0000)
How do you form the negative of the Future Tense with "Will"?...
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(10.7 Months ago Wed, 01 Aug 2012 13:51:53 +0000)
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(11 Months ago Mon, 23 Jul 2012 20:58:11 +0000)
How do you form the Negative of the Present Progressive (Present Continuous) Tense?...
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