DO you know how to use “do” & “does” correctly in English questions and negative sentences? Or DOES it make you confused? Many, many English learners get into trouble with all these different forms of “do” – do, does, don’t, doesn’t, do not, does not…ahhhh! Watch this lesson and erase your confusion forever, then take the quiz to make sure you’ve got it 100%.

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"Have", "has", "don't have", "doesn't have"    • Basic English Grammar: HAVE, HAS, DON...  
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In this lesson:
00:00 DO & DOES: Negative & Question Forms
00:54 The basic function of DO
01:15 Question Form: DO or DOES?
04:40 DO & DOES: Example Questions
07:23 Negative Form: DO NOT, DON'T, DOES NOT, DOESN'T