Respuesta :
Answer:
1. are known.
2. have been identified.
3. are trained.
4. must adjust.
5. Rick and Tammy.
6. The wind and the waves.
7. Drink and throw.
8. Save and deliver.
Explanation:
1. The head of the verb phrase is the verb "know". However this sentence is in the passive voice so "are" is part of the tense of the verb.
2. The head of the verb phrase is the verb "identify". However this sentence is in the passive voice so "have been" is part of the tense of the verb.
3. The head of the verb phrase is the verb "train". However, the auxiliary "are" is part of the tense of the verb because It shows passive voice.
4. The head of the verb phrase is the verb "adjust". However, the modal "must" indicates modality and It is part of the verb to show tense in the sentence.
5. Rick and Tammy are a compound subject. They are two proper nouns coordinated by the coordinating conjunction "and".
6. The wind and the waves are a compound subject. They are two common nouns coordinated by the coordinating conjunction "and".
7. Drink and throw are two verbs coordinated by the coordinating conjunction "and".
8. Save and deliver are two verbs coordinated by the coordinating conjuncttion "and".