Rules for past tense 'ed'

 Vivian Cook 
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Spelling tests
Written  Spoken

regular

add <ed> 'waited'

add <d> after <e> 'loved'

double consonant and add <ed>
after a checked vowel 'rubbed'

change <y> to <i> and add <ed>'

regular

add /Id/ after /t/ /d/ /weitId/

add /d/ after voiced phoneme /skImd/

 

 

 

irregular

add <t> 'learnt'

 

no change 'hit'

change vowel 'ran'

change vowel and add <t> 'left'

 

add /t/ after voiceless C /laikt/

irregular

no change /hIt/

change vowel /rQn/

change vowel add <t> /left/