| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] be [v-ing] [prep] | 36266 |
|
| 2 | [vb -s] be [v-ing] [prep] | 1410 |
|
| 3 | [vb -s] [pers pn] be [v-ing] | 903 |
|
| 4 | [vb -s] [pers pn] be [prep] | 312 |
|
| 5 | [vb -s] [pers pn] [v-ing] [prep] | 120 |
|
