fall (present) / fell (past) / ___________ (past participle)

feed (present) / fed (past) / ___________ (past participle)

fight (present) / fought (past) / ___________ (past participle)

find (present) / found (past) / ___________ (past participle)

fling (present) / flung (past) / ___________ (past participle)

Meaning: to throw hard or with force --> "Don't fling your shoes into the cupboard! Put them in neatly," Mr Ling told Ben.

fly (present) / flew (past) / ___________ (past participle)

forbid (present) / forbade (past) / ___________ (past participle)

Meaning: to refuse to allow something, especially officially --> He forbade me to tell anyone what really happened.

forget (present) / forgot (past) / ___________ (past participle)

forgive (present) / forgave (past) / ___________ (past participle)

freeze (present) / froze (past) / ___________ (past participle)