Grammar Boxes, showing respectively eight and nine parts of speech.
GROUP B
Subordinate Conjunctions
(Time, condition, cause, purpose)
—You can push down a key of the piano without making any sound if you push it down slowly.
—You could write with your left hand if you "touched" the letters with that hand.
—You will get silence from the children as soon as you write "silence" on the blackboard.
—That child is happy: he always sings while he works.
—Always shut the door when you go from one room to another.
—Everybody must be orderly in order that the "Children's House" may look neat.
GROUP C
Subordinate conjunctions, continued
(Cause, concession, alternative)
—The "Children's House" is attractive because it is pretty and because it is so easy to keep busy all the time.