| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [be] [v-ing] | 148157 |
|
| 2 | [be] [v-ing] about | 4742 |
|
| 3 | [pron] [be] about | 1577 |
|
| 4 | [pron] [v-ing] about | 761 |
|
