Dave's ESL Cafe's Student Discussion Forums

[learner12]

Hello, teachers!!

(1)
I don't think Tom can come up with a solution to the problem, however long he spend discussing it.

(2)
I don't think Tom can come up with a solution to the problem, however long he spend to discuss it.

I know that (1) is right, but may I use (2)=to discuss?

Thank you in advance.

[peterteacher]

Please use the present continuous tense and not the infinitive.

Like so:

"I don't think Tom can come up with a solution to the problem, however long he spendS discussING it."


And don't forget the third person plural
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[learner12]

Dear peterteacher:

Thank you so much for your explanations.

Take care and have a nice day!!