| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been [verb] for [noun] | 297 |
|
| 2 | had been [v-ing] for [noun] | 81 |
|
| 3 | have been waiting for [noun] | 23 |
|
| 4 | [verb] been waiting for [noun] | 23 |
|
| 5 | had been waiting [prep] [noun] | 13 |
|
| 6 | had been waiting [prep] [noun] | 13 |
|
| 7 | [vb past] been waiting for [noun] | 10 |
|
| 8 | had been waiting for [noun] | 8 |
|
| 9 | had been wait for [noun] | 8 |
|
| 10 | had be waiting for [noun] | 8 |
|
| 11 | had [been] waiting for [noun] | 8 |
|
| 12 | had [be] waiting for [noun] | 8 |
|
