1) You … stop at a red light. (necessity/strong obligation) 2) You … park on double yellow lines. (prohibition) 3) You … drive when there is a good public transport system. (lack of necessity) Complete the sentences with the correct modal verb in the...
1) You … stop at a red light. (necessity/strong obligation) 2) You … park on double yellow lines. (prohibition) 3) You … drive when there is a good public transport system. (lack of necessity) Complete the sentences with the correct modal verb in the appropriate form (must/have to, mustn’t/can’t, don’t have to/needn’t, should/ought to, can/may, could/might, can/could, will/should, can/would, can/shall.
1) must/have to; 2) mustn't/can't; 3) don't have to/needn't.
To complete the sentences with the correct modal verbs, let's first understand the context of each sentence and the meaning of the modal verbs provided.
1. **Necessity/Strong Obligation**: This indicates that something is required or mandatory. The modal verbs that express necessity or strong obligation are "must" and "have to."
- **Sentence**: You … stop at a red light.
- **Explanation**: Stopping at a red light is a legal requirement, so you must use a modal verb that indicates obligation.
- **Answer**: You **must** stop at a red light.
2. **Prohibition**: This indicates that something is not allowed. The modal verbs that express prohibition are "mustn't" and "can't."
- **Sentence**: You … park on double yellow lines.
- **Explanation**: Parking on double yellow lines is usually prohibited, so you need a modal verb that indicates something is not allowed.
- **Answer**: You **mustn't** park on double yellow lines.
3. **Lack of Necessity**: This indicates that something is not required or is optional. The modal verbs that express lack of necessity are "don't have to" and "needn't."
- **Sentence**: You … drive when there is a good public transport system.
- **Explanation**: If there is a good public transport system, driving is not necessary, so you need a modal verb that indicates lack of necessity.
- **Answer**: You **don't have to** drive when there is a good public transport system.
Here's a summary of the completed sentences with the correct modal verbs:
1. You **must** stop at a red light.
2. You **mustn't** park on double yellow lines.
3. You **don't have to** drive when there is a good public transport system.