Man can think. The fire is burning.
不可忽视：常用不及物动词有 break, breathe, burn, smoke, swim, skate, appear, disappear,
work, think etc.
He became a scientist.
She is getting more and more beautiful.
不可忽视：常用系动词： be, get, turn, feel, seem, appear, look taste, sound, smell,
become, go, prove etc.
We love peace.
They will paint the door.
常用动词有：see, watch, need, love, like, study, answer, carry, etc.
We elected him president.
They painted the door white.
I advised the students to recite the texts.
The couple named their baby Johnson.
I keep the door open.
The naughty boy knocked the bottle over.
He ordered his men to fire.
He heard me singing.
I saw the vase broken.
They look on him as a teacher.
I asked him what he was doing.
My friend bought me a gift.
I passed him the book.
My friend bought a gift for me.
I passed the book to him.