Do you know why I like to draw.
Do you know why I like to draw?
I am happy. You came to visit.
I am happy that you came to visit.
"I want to know." "Can you cook?"
I want to know if you can cook.
Do you have any idea what did she say?
Do you have any idea what she said?
I don't know. What should I do?
I don't know what I should do.
"Did they tell you..?" "Can I write a poem?"
"Did they tell you if (whether) I can write a poem?"
I wonder that she is going to wear to the party.
I wonder WHAT she is going to wear to the party.
It is obvious. She doesn't understand spoken English.
It is obvious that she doesn't understand spoken English.
"They asked" "Did she enjoy the concert?"
They asked if (whether) she enjoyed the concert.
Where is the concert going to be? "My grandma was wondering"
My grandma was wondering where the concert is going to be
We're happy whether Sally invited us to her home.
We're happy THAT Sally invited us to her home.
Could the accident have been prevented? 'I have no idea'
I have no idea if (whether) the accident could have been prevented
Why shouldn't you give up last night? 'Do you know?'
Do you know why you shouldn't give up last night?
We're not certain if or not Barbara will arrive.
We're not certain if Barbara will arrive OR NOT.
How long is the journey to Hong Kong? "I'm not sure."
I'm not sure how long the journey to Hong Kong is.