AUXILIARY & PRINCIPAL
| AUXILARY | PRINCIPAL |
| She is writing a letter. | She is a teacher. |
| I have come to school. | I have an umbrella. |
TRANSITIVE & INTRANSITIVE
| TRANSITIVE | IN TRANSITIVE |
| He is eating rice. | The birds are flying. |
| She is preparing breakfast. | The boy is laughing. |
FINITE & NONFINITE
| FINITE VERB | INIFINITE VERB |
| Bimal goes to school | Bimal does not like to go to school. |
| He is so weak that he cannot walk. | He is too weak to walk. |
STATE & EVENT
| STATE | sentence | EVENT |
| State of perceiving ( বোধমুলক ) | I see, you are a fool | 1. I bought an orange from the market . |
| State of mind (আবেগমূলক) | Everybody loves his mother | |
| State of being (হওয়া-বাচক) | He is a very brave boy | |
| State of relationship (সম্বন্ধ বাচক) | I have a brother. | |
T A B L E – 09 primary & modal auxilary
| primary or Tense auxilary | modal auxiliary |
| Be : be, am, is, are, was, were, been, being Have : have, has, had, having Do : do, does, did | Can, could, shall, should, may, might, must, will, would, need, dare, used(to), ought(to) |