「look forward to」の後がingになるの、なんで？ その謎、コアイメージで一発解決！

Have you ever typed "I look forward to hear from you" in an email — and then felt a little unsure? You're not alone. This is one of the most common mistakes even advanced learners make. But once you get the hang of the core image behind this phrase, you'll never forget it again.

Let's start with the image. Look forward means you are physically leaning your body — or at least your eyes — toward something ahead of you. You're already facing the future event with excitement. Now here's the key: the word to here is NOT the "to" that goes before a verb, like in "I want to go." It's a preposition — just like in "I'm used to living in Tokyo" or "I'm looking forward to the weekend." A preposition is followed by a noun, and a verb acting as a noun takes the -ing form. That's it. Mystery solved!

So think of it this way: "I look forward to ___" = "I am pointing myself toward ___". You fill that blank with a thing — and a verb-as-a-thing wears an -ing like a little name tag.

Native speakers use this phrase in everyday conversation all the time — in emails, texts, and casual chats. "I'm looking forward to the concert tonight!" "We're looking forward to having you over for dinner." Notice the tense can change too. You can say I look forward to (simple present, more formal) or I'm looking forward to (present continuous, warmer and more personal).

One more fun thing: when you look forward to something, you're already mentally prepared for it — your mind is already there, living the moment before it happens. That's a beautiful little piece of English hiding inside a simple phrase, isn't it?

So next time you finish an email, try this: "I look forward to hearing from you." Feels good, right?