RULE

  V

  V

Past tense/

Past parti­ciple

Present

parti­c­iple

Simple pres­ent 3rd per­son

 sin­gular

Short

Compara­tives

and

Superlatives

Plu­ral nouns

Check for

irr­egu­lar forms

buy--> bought

swim-->

    swam,swum

eat-->

    ate, eaten

etc.

be --> is

have --> has

good -->

better /the best

bad -->

worse  /the worst

etc.

man/men

mouse/mice

etc.

For words end­ing in

conson­ant-y, change "y" to "i"

try --> tried

try --> tries

happy -->

happier /

the happiest

baby/babies

story/stories

For words end­ing in

con­son­ant-vowel-con­son­ant,

double the final con­son­ant (but not w, x, or y)

stop --> stopped

stop -->

stopping

hot -->

hotter/ the hottest

Remove a final "e"

like--> liked

like -->

  liking

late-->

later / the latest

For words end­ing in s, x, sh, ch, or a vowel,

add an "e" before the "s"

pass -->

           passes

box --> boxes

wash -->

          washes

watch-->

          watches

do--> does

kiss/kisses

tax/taxes

wish/wishes

match/

  matches

pota­to/

  potatoes