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Please answer the question below.

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Which sentence is using thanks for correctly?

Thanks for help me with the project.

Remember, thanks for should be followed by a gerund or a noun. Here, help should be helping.

Thanks for to assist in the task.

The phrase thanks for should not be followed by to + verb. It should be a gerund or a noun.

Thanks for assisting with the task.

Thanks for assist with the task.

Remember, thanks for should be followed by a gerund or a noun. Here, assist should be assisting.