Past Participles
Plurals
Relationships
Opposites
Animal Idioms
100

cook

cooked

cook, cooked, cooked

100

house

houses

100

cousin

the son or daughter of your aunt or uncle

100

heavy

light

100

It’s raining cats and _____.

dogs

a heavy rain, a downpour

200

do

done

do, did, done

200

mouse

mice

200

father in-law

the father of your husband

200

cheap

expensive

200

The early bird catches the _____.

worm

be first

300

took

taken

(take, took, taken)

300

tooth

teeth

300

niece

the daughter of your brother

300

soft

hard

300

Curiosity killed the _ _ _.

cat

Mind your own business. Don't be nosy.

400

am

been 

(am/are/is, was/were, been)

400

sheep

sheep

400

great grandmother

the mother of your grandmother

400

easy

difficult
400

Nobody wants to talk about the _ _ _ _ _ _ _ _ in the room.

elephant

a taboo or embarrassing topic that everyone is aware of

500

bear (a child)

born 

(bear, bore, born)

500

wife

wives

500

ex-wife or ex-husband

the person you are divorced from

500

shallow

deep

500

The straw that broke the _ _ _ _ _’s back

camel

"the last straw". I can't take it anymore. When you finally say, "Enough!"