| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] had [been] [verb] [prep] | 8929 |
|
| 2 | [noun] [verb] [been] [v-ing] [prep] | 1814 |
|
| 3 | [noun] have [been] [v-ing] [prep] | 1813 |
|
| 4 | [noun] had [be] [v-ing] [prep] | 702 |
|
| 5 | [noun] [vb past] [been] [v-ing] [prep] | 702 |
|
