写出下列动词过去式keep sleep sweepteach catchbring buy thinksell tellsay paygrow know throw fly

问题描述:

写出下列动词过去式
keep sleep sweep
teach catch
bring buy think
sell tell
say pay
grow know throw fly

kept slept swept
taught caught
brought bought thought
sold told
said paid
grew knew threw flew

keep -kept
sleep-slept
sweep-swept
teach-taught
catch-caught
bring-brought
buy-bought
think-thought
sell-sold
tell-told
say-said
pay-paid
grow-grew
know -knew
throw-threw
fly -flew