如何判定谓语与非谓语

当句子已经有一个谓语动词时，
3. I hope________ to hear (hear) from you soon.
reading 4. She sat at the window,_________(read) a magazine. discussed (discuss) 5. The question ___________ at the meeting yesterday is of great importance.
当句子已经有一个谓语动词时，
1. The man took out the key, and______ opened (open) the door.
2. The man took out the key, ______ opened (open) the door and entered the room.
谓语动词的形式 非谓语动词的形式 do does is/am/are did was/were be doing doing have/has done done will do to do 情态动词+do
利用动词形式判定谓语与非谓语
1. We found the girl sitting in the armchair. 2. The students went into the hall, following their teacher. 3. The children worked on the farm, singing and laughing. 4. The meeting held yesterday was of great importance.
• 如何判断谓语动词和非谓语动词 • 如何在语法填空中判断谓语动词和非谓语 动词
当看世界杯时，疯狂的球迷不能沉住气。
When they watch the world cup, crazy fans …
When watch the world cup, crazy fans… When watching the world cup, crazy fans…
一个句子当中，已经出现谓语动词,又
没有连词的情况下, 还有别的动词出现
时，需要用非谓语动词的形式
Work _______ (work) hard, and you will succeed.
1.When you are crossing the road, you Βιβλιοθήκη Baiduhould be careful. When crossing the road, you should be careful.
2.When ice is heated, it can turn into water. Heated, ice can turn into water.