| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had [been] [vb pp] for [det] [noun] | 72 |
|
| 2 | [verb] [been] [vb pp] for [det] years | 70 |
|
| 3 | have [been] [vb pp] for [det] years | 70 |
|
| 4 | had [been] [verb] for [det] years | 37 |
|
| 5 | had [been] [vb pp] for [adj] years | 36 |
|
| 6 | had [been] [vb pp] for [det] [noun pl] | 31 |
|
| 7 | had [been] [vb pp] for [det] year | 19 |
|
| 8 | [vb past] [been] [vb pp] for [det] years | 18 |
|
| 9 | had [been] [vb pp] [prep] [det] years | 18 |
|
| 10 | had [be] [vb pp] for [det] years | 18 |
|
