| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i be [v-ing] | 30312 |
|
| 2 | [modal v] be [v-ing] | 15842 |
|
| 3 | i [modal v] be | 8544 |
|
| 4 | i [modal v] [v-ing] | 16 |
|
