Is it correct to say something like this?
I used to use the knife to open things like cans.
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Sign up to join this communityIs it correct to say something like this?
I used to use the knife to open things like cans.
It's fine to use that way as far as you maintain that you no longer "open the cans using a knife". Also, "used to" is a modal verb that can be used with any verb and in this case, "use."
That’s fine (as per Barrie and Manoj), but you may want to say a knife, unless you always did your opening with a specific knife that’s contextually salient.
On the same theme as your question, you can create other sentences where a verb is used both in its “lexical” and its “grammaticized” senses. For instance:
If you get carried away, you could end up with Who has she had to have have you over?
Yes, used to use is perfectly normal. I normally pronounce it uste
instead of uzed
. Just remember that it also means you don't anymore. "Used to" is a verb and the rest of the sentence is the direct object. I believe it would be a bare infinitive.
I agree with Manoj and Daniel. If you no longer do something, then it works well to use the phrase as such. Otherwise, watch the flow of sentences and writing because extra tangles of words and clauses can pile up quickly.