Even though I have my own business don’t like doing bookkeeping. I use some software to help me with that, but I haven’t had any real training in anything like accounting. Actually I don’t understand that stuff too much. Don’t or haven’t. 

Did you notice what I did there? In some sentences I used don’t and in others I used haven’t. A lot of English learners get stuck deciding whether to use don’t or haven’t, so I thought I would take some time today to look at these two helping verbs. 

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