| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been [verb] for [noun] | 297 |
|
| 2 | had been [v-ing] for [noun] | 81 |
|
| 3 | [verb] been looking for [noun] | 20 |
|
| 4 | have been looking for [noun] | 20 |
|
| 5 | had been looking [prep] [noun] | 12 |
|
| 6 | had been looking [prep] [noun] | 12 |
|
| 7 | [vb past] been looking for [noun] | 7 |
|
| 8 | had been looking for [noun] | 6 |
|
| 9 | had [been] looking for [noun] | 6 |
|
| 10 | had [be] looking for [noun] | 6 |
|
| 11 | had be looking for [noun] | 6 |
|
| 12 | had been look for [noun] | 6 |
|
