她在睡覺前已經刷牙了。
She was brushing her teeth before she go to bed.
She brushes her teeth before bed.
She had brushed her teeth before she went to bed.
steal 的過去分詞是什麼
stole
stealed
stolen
bow 的三態是？
bow–bowed–bowed
bow–bowing–bowed
bow–bent–bent
她一直到做完功課才玩遊戲。
She didn’t play games until she had finished her homework.
She didn’t play games before she had finished her homework.
She doesn’t play games until she finish her homework.
（Past Perfect）By the time I arrived, she ______ the cake.
had eaten
ate
has eaten
The movie had started ______ we got there. 當我們到達時，電影已經開始了。
until
before
by the time
promise 的三態是
promise–promissing–promissed
promise–promised–promised
promise–promise–promise
當我醒來時，太陽已經升起了。
When I wake up, the sun rises.
The sun had rise when I woke up.
When I woke up, the sun had risen.
forget 的三態是什麼？
forget–forgot–forgotten
forget–forgetted–forgetted
forgot–forgot–forgotten
She was late because she ______ up.
didn’t wake
doesn’t wake
hadn’t woken
當我到的時候，媽媽已經煮好晚餐了。
When I get home, Mom cooked dinner.
Before I got home, Mom cooks dinner.
By the time I got home, Mom had cooked dinner.
He didn’t stop playing ______ his mom told him to. 他直到媽媽叫他，才停止玩遊戲。
before
until
by the time
when
I didn’t see him. He ______ home.
had gone
went
goes
He had brushed his teeth ______ he went to bed.
before
when
so
until
他很累，因為他跑了一整天。
He tired because he has run all day.
He was tired because he had run all day.
He is tired because he ran all day.
He had missed the bus, ______ he walked home. 他錯過了巴士，所以走路回家。
before
so
until
當我們到學校時，鈴已經響了。
By the time we get to school, the bell rings.
By the time we got to school, the bell had rung.
When we go to school, the bell rings.