| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had [been] [verb] for [noun] | 297 |
|
| 2 | had [been] [verb] for [noun pl] | 103 |
|
| 3 | [verb] [been] [verb] for months | 21 |
|
| 4 | have [been] [verb] for months | 21 |
|
| 5 | had [been] [verb] [prep] months | 8 |
|
| 6 | [vb past] [been] [verb] for months | 8 |
|
| 7 | had [been] [verb] for month | 8 |
|
| 8 | had [be] [verb] for months | 8 |
|
