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ע�ͣ�be relied on
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rely on������������My mother said that Jack could not be relied on from her direct sense. ����˵ƾ����ֱ�����ܿ���һ������ס���ˡ�
ע�ͣ�couldn't accept
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��������������ʾ˵���˵�Ը�������衢�²���飬������ʾ�۴��ڵ���ʵ������������ͨ������ν�ﶯ�ʵ�������ʽ����ʾ�ġ���ˣ���������������ʹ�õĸ���ν�ﶯ����ʽ�仯���������������Ĺؼ���
���������Ļ�����ʽ�������֣�
1�� ����ԭ�Σ�����һ���˳ƺ������磺
If that be so, we shall take action at once. �����������������Ǿ����̲�ȡ�ж���
May you succeed! ף���ɹ���
2�� ���ʵĹ�ȥʽ������һ���˳ƺ�����be�Ĺ�ȥʽ��were���磺
If I were in your shoes, I'd accept the terms. �����Ҵ�����ĵ�λ���Ҿͻ������Щ������
3�� had+��ȥ�ִʣ�����һ���˳ƺ������磺
If we had left earlier, we wouldn't have missed the train.
4�� ������should+����ԭ�Σ�����һ���˳ƺ������磺
They suggested that we should meet at the station.���ǽ��������ڳ�վ���档
5�� ������should + have+��ȥ�ִʣ�����һ���˳ƺ�����
It is strange that she should have done it.
6�� ������should����һ�˳ƣ���would���ڶ������˳ƣ�+ ����ԭ�Ρ��磺
If I were you, I should take his advice.�������㣬�ͻ��������Ҹ档������Ӣ�ﳣ��would����should����
7�� ������should����һ�˳ƣ���would���ڶ������˳ƣ�+ have + ��ȥ�ִʡ��磺
If father hadn't sent me, I shouldn't have come.
���������ڷ���ʵ�����Ӿ��е��÷���
��ָʱ��Ϊ����ʱ���Ӿ���һ���ȥʱ��be��were����������should/would be �ͣ���ָʱ��Ϊ��ȥʱ���Ӿ���had been �ͣ�������should/would have been �ͣ���ָʱ��Ϊ����ʱ���Ӿ���should be ��were�ͣ�������should/would be �ͣ����磺
If he had time, he would/could/might go with you. ����������������⣩�������ʱ�䣬���ͻ�/�ܺ���ȥ��
If I had had the money last year, I should/would/could/might have bought a house. ���Թ�ȥ��������⣩�����ȥ���������Ǯ���Ҿͻ�/������һ�������ˡ�
If there should be/were/were to be something wrong, they would/could/might let you know at once. ���Խ�����������⣩�������ʲô�£����ǻ�/�������ϸ����㡣
��������Ӿ�����were, had ��should������ifʡ�ԣ����⼸���ʷŵ�����֮ǰ��������ν��װ���磺Were I you (=If I were you)��I would not do it.��Ҫ���㣬�ҾͲ������¡�Were I to meet him tomorrow (=If I were to meet him tomorrow), I should ask him about it. Ҫ����������������һ���������µġ�Had he been more careful��=If he had been more careful����such mistakes could have been avoided. �����ϸ��һЩ�����ִ������ǿ��Ա���ġ�
������Ӿ��е��÷�
����������������It is/was ��ͷ�ĸ��Ͼ������Ӿ��У���ʾ���Ҫ����ȣ�ν�ﶯ��Ϊshould be�ͻ�be��������ʽ��������Ӣ���г���be�ͣ��磺It is necessary that he (should) be sent there at once. �б�Ҫ��������������ȥ��
�����������е����ݴʺ�ȥ�ִ��У�advisable, appropriate, best, better, compulsory, crucial, desirable, fitting, imperative, important, obligatory, preferable, proper, decided, ordered, recommended, requested, required�ȡ�
�ڱ���Ӿ��е��÷�
���������ڱ���Ӿ��е��÷���Ҫ�����������
1�� ��ijЩ���ʺ�ı���Ӿ��У���ʾ���Ҫ���飬��ʽΪshould be �ͻ�be�ͣ�������Ӣ���г���be�ͣ��磺
He insisted that his daughter (should) come. �����Ҫ��Ů������
He ordered that the letter (should) be mailed at once. ���Ը����ϰ�����żij���
�����������ν�ﶯ���У�ask, decide, demand, desire, insist, move, order, prefer, propose, request, require, suggest, urge�ȡ�
2�� ����itΪ��ʽ����ĸ��ϱ���ı���Ӿ��У���ʾҪ����ȡ�
I think it advisable that he (should) have his car serviced. �Ҿ��������˼���һ�����������ǵġ�
We consider it imperative that a meeting(should) be held immediately. ������Ϊ�������Ͽ����ᡣ
3�� �ڶ���wish��ı���Ӿ��У���ʾ�����ڻ��ȥ����ʵ�෴������ڽ���������Ը�����Ӿ�ͨ��ʡ������that��
1�� ��ʾ��������������⣺��were��������ʽ���磺I wish I knew his address.
2�� ��ʾ�Թ�ȥ��������⣺ͨ����had been ��������ʽ���磺I wish/wished I hadn't spent so much money.
3�� ��ʾ���ڽ���������Ը����ν����ʽΪwould+����to�IJ���ʽ��I wish it would stop raining.��Ը����ͣ������
�в�����̬����Ҳ����������������
It might help a little if only you would keep clean.
If my parents couldn't accept him, I could elope with him.
ע�ͣ�manage
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��Ǯ��If I can't manage enough, you will lend me, right? ����Ҳ����ܹ�Ǯ�Ļ�������Խ��ң��ǰɣ�
ע�ͣ�up to
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up to sthæ��...����������What have you been up to recently? �����æЩʲô�أ�
ע�ͣ�resigned from
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resign (from)��ְ��I've resigned from my job in the research institute. ���Ѵ����о���������