| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] [prep] [noun] | 14253 |
|
| 2 | [v-ing] [prep] several [noun] | 153 |
|
| 3 | be [v-ing] [prep] several | 55 |
|
| 4 | be [prep] several [noun] | 49 |
|
| 5 | be [v-ing] several [noun] | 42 |
|
