| Basic rule: don't touch the Verb but make the Auxiliary negative |
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| Mary is listening to the radio. Ted has often complained about the noise. I can help you. They will come tomorrow. |
Mary isn't listening to the radio. Ted hasn't often complained about the noise. I can't help you. They won't come tomorrow. |
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| And if there is no Auxiliary: use the Auxiliary DO |
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| I often forget things. We understand Russian. Susan likes tea. He often drives too fast. |
I don't often forget things. We don't understand Russian. Susan doesn't like tea. He doesn't often drive too fast. |
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Consice English Grammar Topics