Need
+I need a doctor.
-I needn't a doctor
? Need me a doctor?
Should
+We should think about wild life more ofen.
-We shouldn't think about wild life more ofen
? Should we think about wild life more ofen.
Must
+You must leave this city tomorrow
-You mustn't leave this city tomorrow
? Must you leave this city tomorrow
Have to
+they have to read 4 books
- They dont have to read 4 books
? Do they have to read 4 books?
2.Is she waterskiing?
No,she isn't.She is diving.
3.Is it sleeping?
No,it isn't.It's running.
4.Are they fishing?
No,they aren't.They're windsurfing.
5.Is he surfing?
No,he isn't.He's swimming.
6.Is she jumping?
No,she isn't.She's eating.
No, we aren't
Yes, it does
Yes, she has
No, I haven't
Yes, I am
A mystery is something that can't be explained