1)Sam opened the yinzdey yes

2)L saw a

1. int - Did Sam open the window?

neg - Sam didn't open the window

2. int - Did I see a big dog yesterday?

neg- - I didn't see a big dog yesterday.

3. int - Did Mike eat an apple in the morning?

neg - Mike didn't eat an apple in the morning.

4. int - Am I drinking tea every morning?

neg - I don't drink tea every morning.

5. int - Does Jack wash his car on Sunday?

neg - Jack doesn't wash his car on Sunday.