| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been [verb] for [noun] | 297 |
|
| 2 | have been [verb] for years | 107 |
|
| 3 | [verb] been [verb] for years | 107 |
|
| 4 | had been [verb] for [noun pl] | 103 |
|
| 5 | had been [verb] [prep] years | 31 |
|
| 6 | had been [verb] [prep] years | 31 |
|
| 7 | [vb past] been [verb] for years | 30 |
|
| 8 | had be [verb] for years | 28 |
|
| 9 | had [been] [verb] for years | 28 |
|
| 10 | had been [verb] for year | 28 |
|
| 11 | had been [verb] for years | 28 |
|
| 12 | had [be] [verb] for years | 28 |
|
