Shall & Should
�Ը���
1. �� shall �����ʴ�͹Ҥ���� ( Future Tense )
What shall we do this evening ? ��Ҩз�������繹��
I shall remain here until he comes back. �ѹ���������訹�����ҨС�Ѻ��
2. �� Shall ��� Should � Conditional Tense ( If - clause )
If we don't hurry, we shall miss the bus.
����������պ ��Ҩо�Ҵö
I should have gone if I had known the party was there.
�ѹ����件�ҩѹ�������ҧҹ����§��١�Ѵ��鹷����
3. �� Shall �����ʴ��֧��â���ͧ���ͤ͢��й�
( To express a request for advice )
What shall I wear this evening ?
�ѹ������ش���ô���繹��
Shall I write a letter explaining it ? �ѹ����¹������͸Ժ���ѹ�����
Where shall we hold the meeting ?
��ҨШѴ��û�Ъ����鹷���˹��
4. �� shall �����ʴ��֧��õ��㨷��з��������˹�� �Ҩ���繡���ѭ�� ,
������ , ���͡�â����
If you are good, I shall take you to the cinema tonight.
����ͷӵ�Ǵ� �ѹ�о�仴�˹ѧ�׹���
I shall return the book as soon as I've finished it.
�ѹ�����˹ѧ����Ҥ׹�������ҹ��
5. �� Should �Ѻ����������� "��è�" = ought to
You should report the accident to the police.
�س��è���§ҹ������˹�ҷ����Ǩ��Һ����ǡѺ����ͧ�غѵ��˵�
The tree should be cut down.
������ö١�Ѵ���
6. �� should + Perfect Infinitive �������¶֧��á�з���
����ѧ������з������ѧ���������
I should have asked him how long he was studying here.
�ѹ��è�����������Ҿѡ��������ҹ���������
It should have been painted green instead of blue.
�ѹ��èж١��������᷹�������տ��

Will & Would

�Ը���
1. �� Will �����ʴ�͹Ҥ���� (Future Tense)
I will help you to arrange the flowers.
�ѹ�Ъ��¤س�Ѵ�͡���
We will be waiting for you at the corner of the street.
��Ҩ��ͤس������������
2. �� will & would � Conditional Tense
If it rains, the roof will leak.
��ҽ��� ��ѧ�Ҩ�����
The flowers would fade if you left them here.
�͡���������� ��Ҥس����ѹ�������
3. �� would �����ʴ��֧ʹյ��� (Past Tense)
I would tell him the answer if he asked me politely.
�ѹ�к͡�ӵͺ���Ҷ���������ѹ���ҧ���Ҿ
I knew that he would never let me down.
�ѹ������ �Ҩ���������������ѹŧ��
N.B. �ӡ���һ��Է�� 2 ����¤������ٻ�ͧʹյ��� ( Past Tense )
��� asked ��� knew �й�鹨֧��ͧ�� would ��������ʹ���ͧ�ѹ�Ѻ����һ���
4. �� will ���� would 㹻���¤�Ӷ������ʴ���â���ͧ ���������ԭ
����Ѻ would ��������������ԧ������Ҿ�ҡ����
" Will you stay for a cup of tea ? ", she asked.
�س�д�����Ӫ��ѡ����������� �Ͷ��
" Would you open the door, please ?", he said.
��س��Դ��е�˹��¤�Ѻ �Ҿٴ
5. �� will ��� would �����ʴ��֧��á�зӷ���繹����
( would �ʴ��֧������ʹյ )
My cat will always go to sleep at the foot of my bed.
��Ǣͧ�ѹ��仹͹�ç������§�ѹ����
He would lie on the grass, dreaming away.
�Ҩй͹�����˭�� ��нѹ�������� (�ʹյ)

Can & Could
�Ը���
1. �� Can �����ʴ��֧��������ö�����ӹҨ���зӺҧ��觺ҧ���ҧ
(�������ö�� to be able to ᷹ can ����� Past Tense, Present Tense ��� Future Tense )
My father can speak both French and English.
�س��ͧ͢������ö�ٴ�������ҽ����������ѧ���
When she has had enough practice, she will be able to jump higher.
���������֡�����ҧ����§ �͡������ö���ⴴ���٧���ҹ��
2. �� can �����ʴ��֧���͹حҵ can't ���� cannot ���¶֧�������������
could �����͡�â���ͧ������Ҿ��͹�¹
You can do whatever you like in your house.
�س����ö�����á�����س�ͺ㹺�ҹ�ͧ�س
They can't use the telephone without his permission.
�ǡ���������ö�����Ѿ���� ����ҡ������Ѻ͹حҵ�ҡ��
Could you lend me your bicycle ?
�س��س��������ö�ѡ��ҹ�ͧ�س˹��������
3. �� can ��� could �����ʴ��֧��������� ���͡�ëѡ���
Can it be true ?
�ѹ����ö���繨�ԧ�����
He couldn't have meant what he said.
�Ҥ�����������¤������ҧ����Ҿٴ
4. �� can't ��� couldn't �����繡��ŧ��������ԧ����ʸ
They can't be brother. They don't have the same surname.
�ǡ�Ҥ�������繾���ͧ�ѹ �ǡ�����������ʡ�����ǡѹ
It can't be a cat. A cat doesn't make such a noise.
�ѹ���������� ��������ͧ���§���ҧ���
He couldn't have seen us. Wave to him again.
�Ҥ���������� ⺡������¡���ա����

May & Might
�Ը���
1. �� may/might �����ʴ��֧��â�͹حҵ ����ѡ������
may/might 㹡�â�͹حҵ�ҡ���� can ��駹�������դ������Ҿ��͹�¹����
You may go to your house now.
�س�Ҩ��价����ͧ�͹�س�����ǵ͹���
She may send it by air if she likes.
���Ҩ�����ѹ�ҧ�ҡ�ȶ���ͪͺ
May I come in ? ���������������Ѻ
2. �� may/might �����ʴ��֧���������㹻Ѩ�غѹ����͹Ҥ�
��������� might ���ʴ��֧�������ͺ�ŧʧ����ҡ���� may
My father may know where it is.
�س��ͼ��Ҩ���������ѹ�������˹
He may be late because of the delay. ���Ҩ����������Ф�����Ҫ��
Someone might pass this way.
�Ҩ���դ�㴤�˹�觼�ҹ�ҷҧ���
3. �� may ��㹻��»�С������
You may not pick flower in the park. �����紴͡�����ǹ�Ҹ�ó��索Ҵ
Dogs may not be taken into the shop.
�������عѢ�������ҹ
4. �� may/might �����ʴ��֧�������ö�� ��â���ͧ ���㹻���¤����ʴ��֧�������Ѻ
May peace be with you!
������ѹ���آ������Ѻ��ҹ
You might tell me what he said.
�س�͡�������� �Ҿٴ�������
He may be young, but he is quite sensible.
���Ҩ���ѧ��˹��� ���ҡ��繤����˵ؼŴշ�����