| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been [verb] [prep] [adj] years | 102 |
|
| 2 | had been [verb] [prep] [num] years | 59 |
|
| 3 | [verb] been [verb] [prep] three years | 29 |
|
| 4 | have been [verb] [prep] three years | 29 |
|
| 5 | had been [verb] [prep] three [noun] | 27 |
|
| 6 | had been [verb] [prep] three [noun pl] | 25 |
|
| 7 | [vb past] been [verb] [prep] three years | 6 |
|
| 8 | had been [verb] [prep] three years | 5 |
|
| 9 | had be [verb] [prep] three years | 5 |
|
| 10 | had been [verb] [prep] three years | 5 |
|
| 11 | had [be] [verb] [prep] three years | 5 |
|
| 12 | had [been] [verb] [prep] three years | 5 |
|
| 13 | had been [verb] [prep] three year | 5 |
|
