What are signal words in grammar?

Related questions

1. What is signal word?
2. What is signal phrase example?
3. What are some examples of signal phrases?
4. What is the main function of signal words?
5. What is present continuous tense and examples?
6. What are the typical signal words for the simple present?
7. What is a good signal phrase?
8. What is a signal word in a paragraph?
9. What is the 3 form of teach?
10. How do you write in present continuous tense?

Tags

1. #phrases
2. #ideas
3. #transitions
4. #words
5. #signal
6. #connection
7. #between