不定式 过去式 过去分词
fall fell fallen
feed fed fed
feel felt felt
fight fought fought
find found found
flee fled fled
fling flung flung
fly flew flown
forbear forbore forborne
forbid forbade/forbad forbidden
forecast forecast/forecasted forecast/forecasted
foreknow foreknew foreknown
foresee foresaw foreseen
foretell foretold foretold
forget forgot forgotten
forgive forgave forgiven
forsake forsook forsaken
forswear forswore forsworn
freeze froze frozen
gainsay gainsaid gainsaid
get got gotten
gild gilded/gilt gilded
gird girded/girt girded/girt
give gave given
go went gone
grave graved graven,graved
grind ground ground
grow grew grown
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