IRREGULAR VERBS
Irregular verbs change the spelling of the root word instead of adding "ed" for the past and perfect tenses.  The verb form used with the perfect tenses is called the past participle. Example: have been, had been

  
Present                    Past                    Past Participle            
    
arise                       arose                        arisen
     become                  became                     become
    
begin                      began                       begun
    
blow                       blew                        blown
    
break                      broke                       broken
    
bring                       brought                    brought
    
choose                    chose                       chosen
    
cling                       clung                        clung
    
come                      came                        come
    
creep                      crept                        crept
    
do                          did                           done
    
draw                      drew                        drawn
    
drink                      drank                       drunk
    
drive                      drove                       driven
    
eat                         ate                           eaten
    
fall                         fell                           fallen
    
fly                         flew                          flown
    
forgive                   forgave                     forgiven
    
freeze                    froze                         frozen
    
give                       gave                          given
    
go                          went                         gone
    
grow                      grew                         grown
    
know                      knew                        known
     lead                        led                            led
    
lose                        lost                           lost
     pay                        paid                           paid
    
ride                        rode                          ridden
    
ring                        rang                          rung
    
rise                         rose                          risen
    
run                         ran                            run
    
see                         saw                           seen
    
shake                     shook                        shaken
    
shrink                    shrank/shrunk             shrunk/shrunken
    
sing                       sang/sung                    sung
    
sink                       sank/sunk                   sunk
    
speak                    spoke                         spoken
    
spin                      spun                           spun
    
spring                   sprang/sprung              sprung
    
steal                     stole                            stolen
     s
ting                     stung                           stung
    
stink                     stank/stunk                  stunk
    
study                    studied                        studied
    
swear                    swore                         sworn
    
swim                     swam                         swum
    
swing                    swung                         swung
    
take                      took                            taken
    
tear                       tore                             torn
    
throw                    threw                          thrown
    
wake                     woke                          woken
    
wear                      wore                           worn
    
wring                     wrung                         wrung
    
write                      wrote                          written

                              TROUBLESOME VERB PAIRS
Use when the subject is doing the moving:

               lie(s)                      lay                               lain
               sit(s)                      sat                                sat
               
rise(s)                    rose                             risen
Example: I lie on the bed.
               She sat on the chair.
               The sun had risen before we woke up. 

Use when the subject moves something:
               
lay(s)                     laid                             laid
               set(s)                     set                               set
               raise(s)                  raised                          raised
Example: I lay the pillow on the bed.
               She sets the cushion on the chair.
               I raised the curtain to watch the sun rise above the hills. 
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