| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [modal v] be [v-ing] | 9493 |
|
| 2 | [pron] [noun prp] be [v-ing] | 598 |
|
| 3 | [modal v] [noun prp] be [v-ing] | 18 |
|
| 4 | [pron] [modal v] [noun prp] be | 13 |
|
