Should of VS should have?

Related questions

1. Can could be used in future tense?
2. What is future perfect tense with example?
3. Will Past Present Future?
4. Would have been sentences examples?
5. What is the formula of Future Perfect?
6. What is future perfect simple?
7. How many tenses are there in English with examples?
8. What is future tense and its examples?
9. How many types of tenses are there?
10. Will PP grammar?

Tags

1. #indicates
2. #known
3. #obligation
4. #phrase
5. #selfish
6. #informal
7. #pauline
8. #missed
9. #should
10. #contracted
11. #speech
12. #lying
13. #opportunity
14. #there