Modals: They are verbs which are used before the main verb to express ability, possibility, obligation, permission, suggestion, request, certainty or necessity.They indicate the attitude, intention and the mood of the speaker.

• They cannot be used alone in a sentence.
• In case of Questions they are used alone.
• They are not affected by the change in person i.e. first, second or third form.
• Present Participle or Past Participle form of a verb is never used with a modal.

Use of Would:

1. For request, use of would shows more politeness in comparison to will. Would is more commonly used for making requests. Would is also used to know the wishes of the others. e.g.

Would you accompany me to the railway station?  (Polite request)

In the question : -

1. Hurry up! It ____________ be a shame to miss the beginning of the play.

In this sentence , would is the correct modal that can be placed in the blank part as it is used to talking about the result of an event that you imagine .

2. They _____________ never have met if she hadn't gone to Emma's party.

In this sentence , would is the correct modal that can be placed in the blank part as it is used to describing a possible action or event that did not in fact happen, because something else did not happen first .

3. She burned the letters so that her husband ____________ never read them .

In this sentence , would is the correct modal that can be placed in the blank part as it is used to saying why somebody does something .

Thus , the Correct Option is D , which is 1. Would 2. Would 3. Would .

Modals: They are verbs which are used before the main verb to express ability, possibility, obligation, permission, suggestion, request, certainty or necessity.They indicate the attitude, intention and the mood of the speaker.

• They cannot be used alone in a sentence.
• In case of Questions they are used alone.
• They are not affected by the change in person i.e. first, second or third form.
• Present Participle or Past Participle form of a verb is never used with a modal.

Use of Would:

1. For request, use of would shows more politeness in comparison to will. Would is more commonly used for making requests. Would is also used to know the wishes of the others. e.g.

Would you accompany me to the railway station?  (Polite request)

In the question : -

1. I ___________  hate you to think I was criticizing you .

In this sentence , would is the correct modal that can be placed in the blank part as it is used to say what you like, love, hate, etc.

2. ___________ you like a sandwich ?

In this sentence , would is the correct modal that can be placed in the blank part as it is used to show in polite offers or invitations .

Thus , the Correct Option is A , which is 1. Would 2. Would .

Modals: They are verbs which are used before the main verb to express ability, possibility, obligation, permission, suggestion, request, certainty or necessity.They indicate the attitude, intention and the mood of the speaker.

• They cannot be used alone in a sentence.
• In case of Questions they are used alone.
• They are not affected by the change in person i.e. first, second or third form.
• Present Participle or Past Participle form of a verb is never used with a modal.

Use of Would:

1. For request, use of would shows more politeness in comparison to will. Would is more commonly used for making requests. Would is also used to know the wishes of the others. e.g.

Would you accompany me to the railway station?  (Polite request)

In the question : -

1. If I had wings, I ___________ fly to Europe.

In this sentence , would is the correct modal that can be placed in the blank part as it is used to show an unrealistic imaginations.

2. If you went to see him, he ___________ be delighted.

In this sentence , would is the correct modal that can be placed in the blank part as it is used  for talking about the result of an event that you imagine .

3. She ____________ be a fool to accept it .

In this sentence , would is the correct modal that can be placed in the blank part as it is used to  show likelihood, presumption and probability.

Thus , the Correct Option is B , which is 1. Would 2. Would 3. Would .