Morphology:
Definitions!
Name that morpheme!
Long Vowel
Doubling Rule?
1-1-1 Rules
100

-ed

past tense

100
makes a noun plural
-s/-es
100

bote

boat

boet

boat

100

run + ing

running

100

1 syllable - 1 short vowel - ends in s,l,f,z

Sammy Rule!

Floss Rule

200

-s/-es

plural

200

past tense

-ed

200

refrain

refrane

refran

refrain

200

boat +ing

boating

NO doubling rule

200

1 syllable - 1 short vowel - ends in /ch/

tch

300

re-

back or again

300

back or again

re-

300

gyant

giant

gieant

giant

300

jog + ed

jogged

300

1 syllable - 1 short vowel - ends in /k/

-ck

400

-ing

action, process, or materials

400

not or opposite of

reverse or undo

un-

400

regect

reject

reaject

reject

400

refrain + ed

refrained

NO doubling rule

400

1 syllable - 1 short vowel - ends in /j/

dge

500

un-

not or opposite of 

undo or reverse

500

action, process. materials

-ing

500

tonail 

toenale

toenail

toenail

500

pack + ing

packing

NO doubling rule

500

1 syllable - 1 short vowel - ends in one consonant sound AND adding a suffix that begins with a vowel

the doubling rule!

Part of the 3 great rules

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