| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] be [v-ing] [prep] [art] | 1432 |
|
| 2 | be [v-ing] [pron] [prep] [art] | 1347 |
|
| 3 | [modal v] be [v-ing] [pron] [prep] | 246 |
|
| 4 | [modal v] be [pron] [prep] [art] | 175 |
|
| 5 | [modal v] be [v-ing] [pron] [art] | 84 |
|
