The students ______ (begin) to prepare for the exam.
began
begun
begin
beginning
My grandma ______ (tell) me an interesting story last night.
told
telled
tell
tells
They didn't ______ (keep) the secret last night.
kept
keeped
keep
keeping
He ______ (sleep) for ten hours last night.
slept
sleeped
sleep
sleeps
We ______ (leave) our hometown five years ago.
left
leaved
leave
leaving
I ______ (wear) this coat last week.
wore
worn
wear
wearing
They ______ (fly) to Beijing for a trip last month.
flew
flied
fly
flies
She ______ (find) her lost watch in the drawer just now.
found
finded
find
finding
My brother ______ (fight) with his classmate yesterday.
fought
fighted
fight
fights
We ______ (hear) the good news from our teacher last night.
heard
heared
hear
hearing
The dog ______ (bite) the little boy yesterday afternoon.
bit
bitten
bite
bites
They ______ (dig) a big hole to plant the tree two days ago.
dug
digged
dig
digging
She ______ (feed) the homeless cat every day last week.
fed
feeded
feed
feeds
We ______ (freeze) the meat in the fridge on Sunday morning.
froze
frozen
freeze
freezing
My father ______ (grow) many vegetables in the garden last year.
grew
grown
grow
grows
They ______ (hide) the birthday gift behind the door the day before yesterday.
hid
hidden
hide
hiding
The old man ______ (hold) a bird in his hand just now.
held
holded
hold
holds
动词原形：take → 过去式：t_ _ k
动词原形：speak → 过去式：sp_k_
动词原形：think → 过去式：th_ _ ght
动词原形：feel → 过去分词：fe_ _
动词原形：stand → 过去式：st_ _d
动词原形：understand → 过去分词：underst_ _d
动词原形：sit → 过去式：________
动词原形：wear → 过去式：________
动词原形：lose → 过去式：________
动词原形：meet → 过去式：________
动词原形：pay → 过去式：pa_ _
动词原形：say → 过去式：sa_ _
动词原形：lie（躺） → 过去式：________
动词原形：hear → 过去式：________
动词原形：pay → 过去式：________