Grammar mistake
What is the grammar mistake in this question:
Who did use to take you out when you were little?
It must be one because this is for a test and it is asking me to find the mistake.
Look closely at the verbs in the sentence. Look at the tense used, Is there an auxiliary verb and a past participle? Do you need this or could you just use one verb in the past tense?
2014年8月28日
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It's testing the construction 'used to', but the subject of the sentence is wrong. It should be:
Who used to take you out when you were little?