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Study
Irregular verbs
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write
wrote - written
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teach
taught - taught
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think
thought - thought
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sting
stung - stung
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spoil
spoilt - spoilt
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win
won - won
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understand
understood - understood
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take
took - taken
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sweep
swept - swept
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steal
stole - stolen
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wear
wore - worn
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stick
stuck - stuck
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throw
threw - thrown
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swim
swam - swum
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tell
told - told
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