| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] [noun] be [v-ing] | 3469 |
|
| 2 | [noun] had be [v-ing] | 2088 |
|
| 3 | [det] [noun] had be | 1334 |
|
| 4 | [det] had be [v-ing] | 32 |
|
