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�߿�ӣ��ؿ����ص����
��������1
����would rather that somebody did"��ը��ը��"(��ʾ���ڻ�����ը��)
����would rather that somebody had done"��ը��ը��"(��ʾ��ȥ��ը��)
����[����]
����i'd rather you posted the letter right now. ������������ȥ���š�
����i'd rather you were not a celebrated actor. in that case, we could spend more time together.
�����ҵ���ը�㲻�ǹ�֪����ա���������ǿ����и����ʱ����һ��
����i'd rather that i hadn't seen her yesterday. ����ը����û�п�������
��������2
����as if/though ���� did/had done������(��ʾ���ڻ���������ù�ȥʱ;��ʾ��ȥ������ù�ȥ���ʱ)[�ο�����4]
����[����]
����our head teacher treats us as if we were her own children, so all the students in our class think highly of her.
����alan talked about rome as if he had been there. alan̸���������ͺ�����ȥ�������ƶġ�
��������3
����"wish ����ӿ�"����ʾ���� ����ʵ�ֵ�ը��
������ʾ���ڵ�ը�������� ��ȥʱ;
������ʾ��ȥ��ը�������� had done;
������ʾ������ը�������� would/could do
����[����]
����how i wish we students had more free time to relax ourselves! ����ѧ����ôϣ���и��������ʱ������լ�!
����i failed in the maths exam. how i wish i hadn't wasted so much time playing!
����what a pity you can't go to the party. how i wish i could dance with you at the party!
��������4
����it's high/about time that somebody did (should do) (shouldͨ����ʡ��) ����á���
����[����]
����it's time that you went to school.= it's time that you should go to school.
����it's high time that we did something to improve our environment. ��������ϊ������щ�����ˡ�
����i think it's high time that she made up her mind. ���������ö������ˡ�
��������5
������̬���� ���ʲ���ʽ��ɽṹ���÷�
����could have done "��������"(��ʾ��ȥû��ʵ�ֵŀ���)��
����might have done "��������;����ӧ�û������ij��"(ʵ��û�з���;����������������
����should/ought to have done "��������ij��"(��ʵ��δ��)
����should not/ought not to have done "����������"(ʵ��ȴ�����ˣ�����������)
����needn't have done "����������"(�����ѿ�������)
����would rather have done "��ʱ��ը����ij��"(ʵ��û������);��ʽwould rather not have done�����෴��˼�����߶��б�ʾ"���"֮�⡣
��������6
����as, though, although�������ò�״��ӿ䡣
����[ע��]althoughλ�ھ���;thoughλ�ھ������;asλ�ھ���=though�����ĵ����ǰѿ���ǿ�������ݴʡ����ʡ����ʻ����ʷ�������ǰ��[�ο���װ�ṹ] ��ע�����о�ʽ�ı仯��
����[����]
����1. although/though i'm young, i already know what career i want to follow.
������young as/though i am, i already know what career i want to follow.
��������ȼ���ᣬ�����ѿ�������ӧ����ʲô������ҵ��
����2. although/though i respect him very much, i cannot agree with his idea.
������much as/though i respect him, i cannot agree with his idea. ��ȼ�һ��������������ҳ�ͬ�����ĺ۵㡣
����3. although/though he is a child, he knows a lot of chinese characters.
������child(ʡ�թڴ�)as/though he is, he knows a lot of chinese characters. ����ȼ���ǹ����ӣ�ȴ��ʶ�����຺�֡�
����4. although he tried, he couldn't solve the problem.
������try as he might, he couldn't solve the problem. ������ŭ���ˣ�������û�н�����⡣
����5. although it is raining, i'm going out for a walk.
������raining as it is, i'm going out for a walk. ����ȼ�����꣬�һ���ҫ��ȥɢ����
����6. strange as it may seem, nobody was injured in the accident. ���������ȼ�եò���˼�飬ȴû�������ˡ�
����7. much as i would like to help, i have a lot to do. ��ȼ�һ�������㣬�������кܶ���ҫ����
����8. object as you may, i will go. ��ʹ�㷴�ԣ���ҳҫȥ��
��������7
���������÷�(1)"û���ü���"
����[����]
����the roof fell before he had time to dash into the room to save his baby.
��������û�����ü��������ⱥ��ӣ����������ˡ�
����he ran off before i could stop him. �һ�û�����ü���ֹ�����ѿ����ˡ�
����to my great disappointment, my favorite singer left the concert before i could have a word with her.
�������ҷdz�ʧ�����ǣ��һ�û�����ü�������ϲ���ĸ��ִ��к��������ѿ��뿪�ˡ�
��������8
���������÷�(2)"���˶�ò�"��"�������е�ʲô�̶ȳ�"
����[����]
����they walked about fifty miles to the west before they saw a village.
������������50ӣ��ſ���һ����ׯ��
����the workers worked day and night about three days before everything returned to normal.
������������������3���ʹһ�лָ�������
����he almost knocked me down before he knew it.
����������ײ�����˲���ʶ����
����we had walked a long way before we found some water.
�����������˺ܳ���·���ҵ�һ��ˮ��
����five years went by before i knew it. ��֪�����������ȥ�ˡ�
��������9
����it was ʱ��� before"���˶�ò�(��ô��)"
����it was not long before"�����"
����it will (not) be ʱ��� before"ҫ�����(����)��"(before�ӿ�ν�ﶯ��ҫ��һ��ʱ̬)
����[����]
����it was not long before he sensed the danger of the position.����������ʶ����������σ�ա�
����it was five days before he came back. ��������ż�����
����it will be half a year before you graduate from the school. �ٹ���������ܱ�ҵ��
����it will not be long before they understand each other. ���ǵ�ų��þͻụ���˽⡣
��������10
����in case of( n.) "�է�;��һ";
����in case that"�է�����һ"(ν�ﶯ����һ������ʱ̬��should ����ԭ��)
����[����]
����in case of fire, what should we do?
����please remind me about it in case i forget/should forget. ��һ�����ˣ��������ҡ�
����in case (that) john comes/should come, please tell him to wait.
����please take your umbrella in case (that it rains/should rain).������ɡ���է����ꡣ
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