Grammar

No, speculation is not a part of speech. It is a mode of thinking or reasoning where one forms a theory or conjecture without firm evidence. It is a cognitive process rather than a component of language structure.

The word "sleek" can function as an adjective or a verb. As an adjective, it describes something smooth and glossy. As a verb, it means to make something smooth or glossy.

The direct object in the sentence is "it," as it is the recipient of the action of finding. It is the thing that she found behind his couch.

The European sand ray (Raia maculata); -- called also home, mirror ray, and rough ray.

The denotative meaning of the word "dog" is a domesticated carnivorous mammal that typically has a long snout, an acute sense of smell, and a barking, howling, or whining voice.

The doctor asked how the patient was feeling that day.

The accented syllable in the word "impotence" is the first syllable, "im-."

Attendance

Requirement.

The noun for tolerate is "tolerance."

Yes, "purpose" is a noun. It refers to the reason for which something is done or created.

Yes, the word oily is an adverb.

To provide you with an example sentence: "the cheese sauce tasted a bit oily".

It is also used as an adjective.

No, "eventually" is an adverb. It is used to indicate something that will happen at some point in the future, after some unspecified period of time.

The stress in the word "companion" falls on the second syllable, which is "pan".

Opposition connectives are words or phrases used to show contrast or opposite ideas between two clauses or sentences. Examples include "but," "however," "on the other hand," and "nevertheless." These connectives help to clarify relationships between conflicting information in a text.

Packet is singular, so a packet was found on the bench, because the subject and verb have to agree in number (both singular, or both plural). Therefore, the word were is wrong. It would be correct to say "Some chips were found on the bench", because then you have agreement between the plural chips and verb were.

Chop can be a verb (to chop), a noun (you are in for the chop) but NOT an adjective.

No, the word "flew" is a past tense verb, not an adverb. An adverb is a word that modifies a verb, adjective, or another adverb to provide more information about how an action is performed.

No, "strolled" is a verb, specifically the past tense of "stroll." An adverb typically describes how an action is performed, while "strolled" refers to the action itself.

Yes, "who is watching whom" is grammatically correct. "Who" is the subject pronoun and "whom" is the object pronoun in this question.

No, it is not. It is a verb (to expect: to anticipate or consider likely).

Passive prostheses are artificial limbs that do not have any active components or allow for movement. They are typically used for cosmetic purposes or to provide minimal functionality such as weight-bearing support. These prostheses are lighter and simpler than active prostheses, which are equipped with motors or other mechanisms for movement.

Yes, the noun 'excuse' is an abstract noun, a word for a reason, a word for a concept.

Quickly

No the word study can be a verb and a noun.