1. Expressing Consequence:
* "The weather was so bad, we decided to stay home."
* "I studied so hard, I aced the exam."
* "He was so tired that he fell asleep at his desk."
2. Emphasizing a Degree:
* "The movie was so funny, I couldn't stop laughing."
* "She's so talented, she can play any instrument."
* "This cake is so delicious, I could eat the whole thing."
3. Introducing a Clause:
* "So, what are your plans for the weekend?"
* "So, I told him exactly what I thought."
* "So, that's the story of how I met your mother."
4. Agreement:
* "You're going to the party? So am I."
* "She's happy, so is her family."
* "They're coming to visit, so are their friends."
5. Introducing an Explanation:
* "I'm so tired because I worked late last night."
* "He's so grumpy because he didn't get enough sleep."
* "She's so excited because she got the job she wanted."
Important Note: "So" can sometimes be misused. Avoid using "so" as a substitute for "very," "really," or "extremely." For example, instead of saying, "The food was so good," say, "The food was very good."