| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [been] [verb] [prep] [art] [noun] | 5038 |
|
| 2 | [verb] [been] [v-ing] [prep] [art] [noun] | 1342 |
|
| 3 | [vb past] [be] [v-ing] [prep] [art] [noun] | 607 |
|
| 4 | [vb past] [been] [v-ing] [prep] [art] [noun] | 585 |
|
