Irregular verbs: level 2 exercises

In this exercise, fill in the blanks with the correct infinitive, simple past or past participle verb form.

drink
drunk
 

fought
fought
 

gave
given
 

had
had
 

sink
sank
 

spread
spread
 

sting
stung
 

swim
swum
 

tell
told
 

understood
understood
 

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