| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] had been [verb] [prep] | 8929 |
|
| 2 | [noun] had been [v-ing] [prep] | 702 |
|
| 3 | [noun] have been waiting [prep] | 61 |
|
| 4 | [noun] [verb] been waiting [prep] | 61 |
|
| 5 | [noun] [vb past] been waiting [prep] | 34 |
|
| 6 | [noun] had [be] waiting [prep] | 34 |
|
| 7 | [noun] had been wait [prep] | 34 |
|
| 8 | [noun] had be waiting [prep] | 34 |
|
| 9 | [noun] had [been] waiting [prep] | 34 |
|
