Parts of Speech

'Lather' is a noun referring to the frothy substance formed when soap is mixed with water. It can also be used as a verb ('to lather up'), but the noun form describing the soapy foam is more common.

'Latex' is a noun referring to the milky fluid found in many plants or the synthetic material made from it, commonly used in paints, gloves, and medical products. It is always used as a noun.

'Latter' is an adjective referring to the second of two things mentioned previously. It's used to distinguish between two items when one has been described as 'former' and the other as 'latter'.

'Lattice' is a noun referring to a structure of crossed strips or bars forming a pattern, or an abstract structure with regular repeating patterns. It can also be used as a verb but is primarily a noun.

'Laud' is a verb meaning to praise or commend someone or something highly. It's a formal term often used in contexts of recognition or acclaim.

The subject 'They' is plural, so we use the plural auxiliary verb 'are' with the present continuous form 'taking'. Present continuous tense is used for actions happening now or around the present time, which fits with 'today'. 'Takes' would be simple present, 'is taking' has the wrong auxiliary for a plural subject, and 'has written' is present perfect and the wrong verb.

The subject 'I' requires the auxiliary verb 'have' in present perfect tense, not 'has' which is used for third-person singular subjects. 'Have read' indicates a completed action with relevance to the present. 'Has read' would be grammatically incorrect with 'I' as the subject, while 'has been reading' would be present perfect continuous and 'reading' is not a complete verb form.

We use simple present for something that is always true.

The present perfect tense "have walked" is used to describe a completed action that has relevance to the present moment. In this context, it emphasizes that the walking was completed and the speakers are now "here" as a result. The present perfect is appropriate when the time of the action is not specified but the consequences are relevant now.

The phrase "at present" clearly indicates an action happening right now, so the present continuous tense "am attending" is the correct form. This tense describes an ongoing temporary action at the current time. "Will attend" refers to future, "attend" is habitual present, and "will be attending" suggests a planned future continuous action.

The word 'about' is a preposition because it connects the verb 'know' with the object 'Shakespeare', showing the relationship between them. Prepositions typically indicate relationships in time, space, or direction.

The word 'above' is a preposition because it shows the spatial relationship between the sun and the horizon. Prepositions indicate location, direction, or relationship between nouns or pronouns.

The word 'about' is an adverb here because it modifies the verb 'running,' describing how or in what manner the children were running. Adverbs modify verbs, adjectives, or other adverbs.

The word 'above' shows the spatial relationship between the book and 'me.' Prepositions indicate relationships between nouns/pronouns and other words in a sentence, typically showing position, direction, or time.

Here 'above' functions as an adverb because it modifies the verb 'is' and tells where the bedroom is located. When 'above' stands alone without an object, it acts as an adverb rather than a preposition.