| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] [be] [v-ing] | 7085 |
|
| 2 | who [be] [v-ing] | 6917 |
|
| 3 | who [vb base] [be] | 1331 |
|
| 4 | who [vb base] [v-ing] | 142 |
|
