Tham khảo tài liệu 'about the ged writting exam 2', ngoại ngữ, anh ngữ phổ thông phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | SENTENCE STRUCTURE PART OF SPEECH FUNCTION EXAMPLES noun names a person place thing or concept water Byron telephone Main Street tub virtue pronoun takes the place of a noun so that the noun does not have to be repeated I you he she us they this that themselves somebody who which verb describes an action occurrence or state of being wait seem be visit renew helping verb also called auxiliary verb combines with other verbs main verbs to create verb phrases that help indicate tenses forms of be do and have can could may might must shall should will would adjective describes nouns and pronouns can also identify or quantify green round old surprising that . that elephant several . several elephants adverb describes verbs adjectives other adverbs or entire clauses dreamily quickly always very then preposition expresses the relationship in time or space between words in a sentence in on around above between underneath beside with upon see the list below . Placement of Modifiers As a general rule words phrases or clauses that describe nouns and pronouns should be as close as possible to the words they describe. The relaxing music for example is better clearer more concise and precise than the music that is relaxing. In the first sentence the modifier relaxing is right next to the word it modifies music . When modifiers are not next to the words they describe you not only often use extra words but you might also end up with misplaced or dangling modifier and a sentence that expresses something other than what was intended. This is especially true of phrases and clauses that work as modifiers. Take a look at the following sentence for example Racing to the car I watched him trip and drop his bag. Prepositions A Short List Prepositions are extremely important they help us understand how objects relate to each other in space and time. Recognizing them can help you quickly check for subject-verb agreement and other grammatical issues. Below is a list of the most common .