These bars are made of an unbreakable metal.
That knife is made of steel.
Are you positive that he is right?= Are you sure that he is right?= Are you confident that he is right?
Try to be more positive.
Protons have positive charges.
Mary said positively that Tom was right.
I was positively angry when John called me Fatty.
I thought that Peter would give me a negative answer, but he surprised me by agreeing to come.
Anna talked negatively about my singing with some friends.
The captain told the sailors to raise the sails.
The captain said that the plane would be landing soon.
The captain shouted at the soldiers to run faster across the field.
The team's captain signed them up for the game.
Only a few people survived the flood.
The man's wife survived him by ten years.
The custom still survives in certain societies.
John's friendly attitude is the reason why we all like him so much.
Tom's unfriendly attitude is the reason why he has few friends，