疑問詞 + to + 動詞の原形
How や what のあとに [ to + 動詞の原形 ] が続くと、「どのように。。。するか」「何を。。。すべきか」という意味になる。
Examples:
I know HOW to speak English.
I know WHAT to study.
I know WHERE to eat pizza.
I know WHEN to go home.
主語 + 動詞 + (人) + 疑問詞 + to + 動詞の原形
「(人)に (どのように。。。するか)を〜する」という意味になる。
to tell = に（〜を）話す、教える
to show = 〜を案内する
Examples:
Can you show me HOW to play basketball?
Can you tell me WHAT to study?
Can you tell me WHERE to eat pizza?
Can you tell me WHEN to go home?
Could = ていねいな依頼 (could you?)
Could you tell me how to go to __ (場所)?
Examples:
Could you tell me how to go to Himeji Castle?
Could you tell me how to go to Tokyo?
Could you tell me how to go to Alex's house?
2 things you know HOW to do
I know HOW to __.
I know HOW to __.
Can you show me HOW to use the computer?
Yes, I can show you HOW to use the computer.
Could you tell me how to go to Himeji Station?
Yes,
Take the __.
Do you know WHERE to eat ramen?
Yes, I know WHERE to eat ramen.
No, I do not know WHERE to eat ramen.
Can you tell me WHERE to eat ramen?
Yes, I can tell you WHERE to eat ramen.
Where?
Could you tell me how to get to Singapore?
Yes,
take the __.
do you know WHAT to study?
Yes, I know WHAT to study.
No, I do not kknow WHAT to study.
Can you tell me WHAT to study?
Yes, I can tell you WHAT to study.
What?
Could you tell me how to go to Hokkaido?
Yes,
take the __.
Do you know WHEN to go home?
Yes, I know WHEN to go home.
No, I do not know WHEN to go home.
Can you tell me WHEN to go home?
Yes, I can tell you WHEN to go home.
When?
Could you tell me how to go to his/her house?
Yes,
___.