Sonoma County CA. English (UK then US) Jul 30, 2015. #2. 6 is correct. The verb "look forward" is followed by the preposition "to" and is followed by a noun. Going is a gerund here. Contrast with: I plan to go on vacation, which is a true infinitive use of "to". EDIT : The text is right, but I should have said 5 is right... More @Wikipedia
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