The document is a March 9, 2012 agenda for a lesson on troublesome verb pairs including lie and lay, rise and raise, sit and set, and learn and teach. It provides examples of how to properly use each pair and their past and past participle forms. The homework is a worksheet for Lesson 9.

1. March 9, 2012 Agenda:
+Chapter 4
->Lesson 9: Troublesome Verb Pairs
Homework:
Lesson 9 Worksheet
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2. Lesson 9: Troublesome Verb Pairs
Some pairs of verbs seem similar, but are actually different words
with different meanings. Troublesome verb pairs include lie and lay,
rise and raise, sit and set, and learn and teach.
Lie and Lay
Lie means "to recline". It does not take an object.
Lay means "to put or place". It will take an object.
Pat lies on the floor with her model cars.
She lays a van on top of a carrier truck.
PRESENT PAST PAST PARTICIPLE
lie(s) lay has lain
lay(s) laid has laid
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3. Rise and Raise
Rise means "to move upward" or "to go up". It doesn't take an object.
Raise means "to lift up" It usually takes an object.
Helicopters rise above the trees.
The pilot raises the flaps on an airplane's wings.
PRESENT PAST PAST PARTICIPLE
rise(s) rose has risen
raise(s) raised has raised
Sit and Set
Sit means "to be seated". It does not take an object.
Set means "to put or place". It does not take an object.
Jeff sits next to the flat tire.
He sets the lug wrench on the ground.
PRESENT PAST PAST PARTICIPLE
sit(s) sat have sat
set(s) set have set
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4. Learn and Teach
Learn means "to gain knowledge or skill".
Teach means "to instruct" or "to help someone learn".
Sam learned to skateboard.
Leah taught Sam to skateboard.
PRESENT PAST PAST PARTICIPLE
learn(s) learned have learned
teach(es) taught have taught
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5. 1. The origin of modern elevators (lies, lays) in the invention of skyscrapers.
2. Only elevators could (raise, rise) to the upper floors.
3. Engineers (learned, taught) how to build hydraulic elevators.
4. These elevators (raised, rose) only freight, not people.
5. Workers (sat, set) the goods on the elevator floor and sent them up or down.
6. People were afraid to (sit, set) in boxes held up only by ropes.
7. Then Elisha Graves Otis (lay, laid) their fears to rest.
8. Otis (learned, taught) builders how to make elevators safe.
9. He installed the world's first passenger elevator which (rose, raised) five stories.
10. Elevators had cushioned places where riders (sat, set).
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