| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] be [v-ing] [prep] [noun] | 944 |
|
| 2 | [modal v] be [prep] some [noun] | 111 |
|
| 3 | [modal v] be [v-ing] some [noun] | 52 |
|
| 4 | [modal v] be [v-ing] [prep] some | 35 |
|
| 5 | be [v-ing] [prep] some [noun] | 32 |
|
