how為連接副詞，引導名詞性從句，後動詞可為一般現在時：動詞單數形一般過去時：動詞過去式還可接情態動詞.
擴展資料
Now let me see ─ how old is she now?
讓我想一想，她現在多大了呢
How much will it cost， more or less?
這個大概得花多少錢
I don't know how you can say things like that.
真想不到你怎麼會説出這種話來。
How many people were there?
有多少人
In this class， students will learn how to program.
