| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [be] [v-ing] | 148157 |
|
| 2 | [pron] be [v-ing] | 148136 |
|
| 3 | [pron] been [verb] | 1023 |
|
| 4 | [pron] [been] [v-ing] | 567 |
|
