05 preposition
Types and usage of prepositions
简单介词
复杂介词
如“in”、“on”、“by”等,通常用于 表示位置、时间或方式。
如“in front of”、“because of”、“in spite of”等,通常用于表示原因、目的或 转折。
成语介词
Collective nouns
names for groups of people or things, e.g., "team," "flock," "bunch."
Material nouns
names for substances or materials, e.g., "gold," "cotton," "silver.ase of nouns
Possessive nouns
indicating ownership or possession, e.g., "John's book," "the car's tires."
Formation of possessive nouns
usually adding an apostrophe and an 's' to the end of the noun, e.g., "dog's," "cat's." However, for plural nouns ending in 's', only an apostrophe is added, e.g., "dogs'."