名词
单复数之间的转换
I like pandas (panda) because they are very cute.名词与其所有格之间的转换
On my way to school, I came across a friend of my father’s (father).
Teachers’ (Teacher) Day is coming, let’s give our teachers some flowers.名词与其形容词形式之间的转换
As is known, October 1st is the National (nation) Day.
代词
人称代词主格和宾格之间的转换
Look at him (he)! He is climbing a tree. Mr. Lee teaches us (we) math.形容词性和名词性物主代词之间的转换
This shirt is not mine (my), it’s hers (her).人称代词与物主代词之间的转换
She couldn’t find her purse. Her friend found one and showed it to her, but it wasn’t hers.人称代词与反身代词之间的转换
Welcome to our party. Please help yourselves (you) to some snacks and drinks.复合不定代词之间的转换
Though they’re twins, they have nothing (something) in common.
I listened, but I couldn’t hear anything (something).
形容词和副词
形容词与其比较级、最高级之间的转换
If you try hard, your English will get better soon.
This is the most exciting (exciting) movie I have ever watched.副词与其比较级、最高级之间的转换
Could you speak a little louder, please? I can’t hear you.
Which sport do you like best, basketball, volleyball or tennis?形容词与副词之间的转换
He is a good dancer and he dances very well (good).形容词（或副词）与其反义词之间的转换
I don’t think your advice is helpful, on the contrary, I think it’s quite helpless (helpful).形容词（或副词）与其名词形式之间的转换
The driver’s carelessness (careless) led to this terrible accident.
Does anyone know the depth (deep) of the river?
动词
不同时态下动词形式的转换
My cousin goes (go) to school by bus every day.
We climbed (climb) a mountain and had a picnic yesterday.
He is going to try out for (try out for) the school basketball team next week.
Peter said he would come (come) to the party, but he didn’t.
The girls are helping (help) the old make their beds now.
I was washing the dishes (wash) at this time yesterday.
They have read (read) more than twenty English books so far.
The Chinese have been celebrating (celebrate) Mid-Autumn Day for centuries.
By the time he got to the cinema, the film had begun (begin) for ten minutes.动词与其名词形式之间的转换
It isn’t easy to make a real scientific discovery (discover).
To their great disappointment (disappoint), their team lost the game again.动词与其形容词（或副词）形式之间的转换
– Look at the poor dog. I think it’s dying.– In fact, I think it’s already dead (die).
They all considered what you said to be unbelievable (believe).
The man shook his head hopelessly (hopeless) and walked out of the room.动词与其非谓语动词形式之间的转换
Smoking (Smoke) is bad for health. Reading (Read) in the sun is harmful to your eyes.
I don’t eat ice cream because I don’t want to be (be) fat.
On his way to work, he saw an old man lying (lie) on the ground.
Students are not allowed (allow) to have their ears pierced (pierce).
数词
基数词与序数词之间的转换
When he gets home, he always does his homework first (one).
Please open your textbooks to Lesson Two (second).分数表达中分母（序数词）的变化
One fifth (five) of the work has been finished.
Two thirds (third) of the students have passed the exam.
其它的词形变化
介词之后的动词须变为其动名词形式
What about having (have) a picnic this weekend?
The doctor devoted his all life to helping (help) his patients.部分复合形容词中单位词的变化
Judy is a five-year-old (years) girl.
We have a two-month-long (months) summer holiday every year.
