S + be + Adjective + infinitive
The students/ ready/ start/ new school year.
The students are ready to start the new school year.
Pasteur was/ happy/ see/ boy recover.
I’m willing/ take/ medicine.
Pasteur was determined/ prove/ bacteria cause/ disease.
The doctors were anxious/ stop/ epidemic.
The nurse/ careful/ give/ right medicine.
You/ free/ do/ what / like.
She/ foolish/ say those words.
I wasn’t able/ lend/ him/ money.
We have/ ready/ sit/ the examination.

It+ be+ adjective + infinitive

It/ pleasant/ work/ an air-conditioned room.

It/ exciting/ hear/ he has won/ gold medal.
It/ frightening/ know/ he/ a criminal.
It/ hard/ believe/ some parents/ maltreat/ children.
It/ fascinating/ see/ more/ more young people are going/ university.
It/ sad/ find/more/ more couples/ getting divorced.
It/ sad/ find/ more/ more couples/ getting divorced.
It/ delighting/ know/ medical research is/ expanded.
It/ merry/ hear/ you/ have passed/ important exam.
It/suprising/ learn/ our ancestors/ were apes.
It/ delighting/ know/ Americans were English once.

It/ extremely difficult/ us/ struggle/ the floods last year.
It was extremely difficult for us to struggle/ the floods last year.

It/ paintful/ Morton/ see so much suffering.
It/ possible/ him/ watch/ dog wake up/ wave/ tail.
It/ necessary/ him/ try/ experiment/ himself.
It/ disturbing/ him/ feel/ numbness nhis arms/ legs
It/ surprising/him/ find/ he / had bean unconscious/ seven minutes.
It/ comforting/ the patient/ know he would feel no pain.
It/ not easy/ patient/ cover/ his illness.
It/ pleasant/ us/ work/ an air-conditioned room.

It + Be+ Adjective _ for + (pro) noun + to infinitive
It/ healthy/ children/ drink milk
It is healthy for children to drink milk.

It/ hard/ me/ breathe through my nose.
It/ easy/ him/ translate this text/ English.
It/ difficult/ them/ understand this lesson..
It/ good/ children/ take exercise.
It/ important/ students/ learn English.
It/ convenient/ me/ meet you/ Sunday.
It/ not possible/ us/ smoke/ class.
It/ not good/ us/ stay up late.
It/ not pleasant/ workers/ do such work.
It/ interesting/ them/ play the guitar.

Adjective _ Enough + infinitive

These books / cheap/ buy.
These books are cheap to buy.

Pasteur/ confident enough/ try/ unusual theories.
The patient feel/ well enough/ eat some soup.
Joseph feel/ strong enough/ walk around/ room.
The nurse/ kind enough/ help searching / a cure.
She/ sick enough/ go/ the doctor.
The injections/ powerful enough/ cure/ disease.
Pasteur’s discoveries/ important enough/ change/ history/ medicine.
This medicine/ sweet enough/ the child/ take.
The patient/ not strong enough/ undergo/ operation.
Pasteur’s discoveries/ important enough/ change/ history/ medicine.

Too _ adjective + infinitive
These grapes/ too green/ you/ eat.
The patient/ too sick/ eat / dinner.
Pasteur/ too courageous/ let criticism stop him.
Bacteria/ too tiny/ be seen/ the naked eye.
The boy/ too frightened/ take/ injection.
The injections/ too week/ kill/ bacteria.
The pain/ too horrible/ be described.
She/ too lazy/ take/ medicine.
The beds/ too hard/ be/ comfortable.
He/ too weak/ do/ this heavy work.
She/ too tired/ review/ lessons.