Questions part 2

 

we say: Where has Tom gone?

but: Do you know where Tom has gone ?(not DOyou know where has Tom gone)

 

becareful with do does did. 疑問文による動詞の変化

 

What time does the film start?    

but :Do you know what thime the film starts? ここは三人称単数になる。

 

If whetherといったものにはwhat whyといったものは使用しない。

Did anybody see you?

Do you know if anybody saw you?