| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [noun prp] [verb] [been] [verb] [prep] | 405 |
|
| 2 | [conj] [noun] [verb] [been] [v-ing] [prep] | 142 |
|
| 3 | [conj] [noun prp] [verb] [be] [v-ing] [prep] | 86 |
|
