| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] be [v-ing] [prep] | 36266 |
|
| 2 | [pers pn] [modal v] be [v-ing] | 8632 |
|
| 3 | [pers pn] [modal v] be [prep] | 4907 |
|
| 4 | [modal v] be [v-ing] [prep] | 4042 |
|
| 5 | [pers pn] [modal v] [v-ing] [prep] | 18 |
|
