Meaning: 1. A particle added in front of a verb to indicate the future tense. 2. To be able to do something; to have or know a skill/ability. 3. (noun) Meeting.
1. 明天会下雨吗? (ming2tian1 hui4 xia4yu3 ma1?, Will it rain tomorrow?) 2. 我会开车。(wo3hui4 kai1che1, I know how to drive/I can drive.) 3. 我会中文。(wo3hui4 zhong1wen2, I know Chinese.) 4. 我们要开会。(wo3men2 yao4 kai1hui4, We are going to have a meeting.)
Meaning: a particle added to the end of a verb to indicate a completed action. [Note: this is only used to indicate actions completed in the recent past or at a specified point in the past. The particle 过 is usually used to indicate an action which has been completed in the distant past or at an indefinite point in time in the past].
A: 你吃了吗？ (ni3 chi1le ma1?, Have you eaten?) B: 我吃了。 (wo3 chi1le, I have eaten.)
Meaning: 1. to have (in the possessive sense), 2. to have (done something) [Note: usually used in the negative sense], 3. to be/exist in a place (ie. "there is/are ~")
1. 我有一个孩子。 (wo3you3 yi2ge4 hai2zi, I have one child.) 2. 我没有去过中国。 (wo3mei2you3 qv4guo4 zhong3guo2, I have not been to China.) 3. 这里有很多医生。 (zhe4li3 you3 hen3duo1 yi1sheng1, There are many doctors here. (Lit: Here have many doctors.)
Meaning: a suffix added at the end of a personal noun/pronoun to form the plural form of that noun/pronoun.
Examples: 我们 (wo3men, we/us), 你们 (ni3men, you (plural)), 他们 (ta1men, they/them), 朋友们 (peng2you3men, friends), 孩子们 (hai2zimen, children) [Note: 们 is often omitted from the plural form of personal nouns and is usually only added for emphasis, eg. when addressing a group of people.]