Unit 2 Lesson 4

Find six verbs in the puzzle.Use them to complete the sentences in the correct tense. (Lesson 4)

a) Yesterday l leaved the house at 7:00 a.m. to go to school.
b) She made five calls on her cell phone last night.
c) Charles Darwin wrote On the Origin of Species in the 19th Century.
d) He           the Jittterbug One Touch because the volume was on loud.
e) Last week we went to the zoo and saw an orangutan.
f) Dr.Martin Cooper began working for Motorola in the 1950s.

Expand these notes to makes a paragraph about the invention of the microwere. (Lesson 4)

1946/ Percy LeBaron Spencer/invent/the microwave oven by accident.
Percy LeBaron Spencer invent the micoware oven by accident 1946.
He/be/engineer/the Raytheon Corporation.He enginner be the Raytheon Corporation.
One morning/be/his laboratory.One morning be his laboratory.
He/have/a candy bar/his pocket.He have a candy bar his pocket.
He/doing an experiment/with a magnetron/when/the chocolate/melt.
When he doing an experimet melt with a meganetron the chocolate melt.
Then/try/another experiment with popcorn.Then try another experiment with popcorn.
He/know/this/be/an important discovery.He this know be an important discovery.
Microwave ovens/be soon very popular.Microware ovens be soon very popular.

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