| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [noun] be [v-ing] [prep] | 1581 |
|
| 2 | [noun] [Wh det] be [v-ing] [prep] | 318 |
|
| 3 | [conj] [noun] [Wh det] be [prep] | 72 |
|
| 4 | [conj] [Wh det] be [v-ing] [prep] | 61 |
|
| 5 | [conj] [noun] [Wh det] be [v-ing] | 34 |
|
