what is this?
spend spent spent
what is this?
spill spilt spilt
what is this?
spoil spoilt spoilt
what is this?
spread spread spread
what is this?
stand stood stood
what is this?
steal stole stolen
what is this?
sweep swept swept
what is this?
swim swam swum
what is this?
swing swung swung
what is this?
take took taken
what is this?
teach taught taught
what is this?
tear tore torn
what is this?
tell told told
what is this?
think thought thought
what is this?
throw threw thrown
what is this?
understand understood understood
