1. He is talking to the foreigners 2. They're cleaning their rooms 3. Father ia drinking a cup of coffee 4. I'm trying to solve the problem by myself 5.The man

1. He is talking to the
foreigners
(-) He is not talking to the foreigners
(?) Is he talking to the foreigners?

2. They're cleaning their rooms
(-) They're not cleaning their rooms
(?) Are they cleaning their rooms?

3. Father is drinking a cup of coffee
(-) Father is not drinking a cup of coffee
(?) Is father drinking a cup of coffee?

4. I'm trying to solve the problem by myself
(-) I'm not trying to solve the problem by myself
(?) Am I trying to solve the problem by myself?

5.The man is ordering some food by myself
(-) The man is not ordering some food by myself
(?) Is the man ordering some food by myself

1. (+) He is talking to the foreigners.
(-) He isn't talking to the foreigners.
(?) Is he talking to the foreigners?
=> Yes, he is.
=> No, he isn't.

2. (+) They're cleaning their rooms.
(-) They aren't cleaning their rooms.
(?) Are they cleaning thair rooms?
=> Yes, they are.
=> No, they aren't.

3. (+) Father is drinking a cup of coffee.
(-) Father isn't drinking a cup of coffee.
(?) Is father drink a cup of coffee?
=> Yes, he is.
=> No, he isn't.

4. (+) I'm trying to solve the problem by myself.
(-) I'm not trying to solve the problem by
myself.
(?) Are you trying to solve the problem by
yourself?
=> Yes, I am.
=> No, I'm not.

5. maaf nomer 5 kurang jelas soalnya. kalo udh bener ntar dijwb di comment:)