There goes the bell.
Then came the chairman.
Here is your letter.
Out rushed a missile from under the bomber.
Ahead sat an old woman.
Here he comes.Away they went.
1)句首为否定或半否定的词语，如no,not,never,seldom,little,hardly,at no time,in no way,not until…,not only…(but also),hardly/scarcely…(when),no sooner…(than)等。
Never have I seen such a performance.
Nowhere will you find the answer to this question.
Not until the child fell asleep did the mother leave the room.
Not only did he refuse the gift,he also severely criticized the sender.
Hardly had she gone out when a student came to visit her.
No sooner had she gone out than a student came to visit her.
Tom can speak French.So can Jack.
If you won't go,neither will I.
Only in this way,can you learn English well.
Only after being asked three times did he come to the meeting.
Only when he is seriously ill,does he ever stay in bed.
Try hard as he will,he never seems able to do the work satisfactorily.
Young boy as he is,he knows a lot about basketball teams.
Hard as it was,they reached the peak of the mountain.
So frightened was he that he did not dare to move an inch.
May you all be happy.
Were I you,I would try it again.
1）Not until the early years of the 19th century___ what heat is
A.man did know B.man knew C.didn't man know D.did man know
2)Do you know Tom bought a new car?
I don't know,___.
A.nor don't I care B.nor do I care
C.I don't care,neither D.I don't care also
3)---You forgot your purse when you went out.---Good heavens,____.
A.so did I B.so I did C.I did so D.I so did
4）Only when the war was over ____ to hometown.
A.did the soldier return B.the soldier returned
C.returned the soldier D.the soldier did return
5)____ for the free tickets,I would not have gone to see films so often.
A.If it is not B Were it not C.Had it not been D.If they were not