. 1. Are not → Aren't
Ex - You aren't invited.
2. Can not → Can't
Ex -You can't smoke in here.
3. Could not → Couldn't
Ex - He couldn't find you.
4. Did not → Didn't
Ex - She didn't remember me.
5. Does not → Doesn't
Ex - He doesn't work here.
. 1. Are not → Aren't
Ex - You aren't invited.
2. Can not → Can't
Ex -You can't smoke in here.
3. Could not → Couldn't
Ex - He couldn't find you.
4. Did not → Didn't
Ex - She didn't remember me.
5. Does not → Doesn't
Ex - He doesn't work here.