英語: We're going to eat out tonight.

英語: What are you doing this weekend?

英語: I can play the piano.

英語: I can't eat natto.

英語: I couldn't sleep well last night.

英語: May I use the restroom?

英語: I must be going now.

英語: I have to be there by ten.

英語: You don't have to come if you can't.

英語: You should take an umbrella with you.