| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] been [v-ing] for [adj] years | 139 |
|
| 2 | have been [v-ing] for [adj] years | 139 |
|
| 3 | had been [v-ing] for [adj] [noun] | 123 |
|
| 4 | had been [v-ing] for [adj] [noun pl] | 85 |
|
| 5 | had been [verb] for [adj] years | 80 |
|
| 6 | [vb past] been [v-ing] for [adj] years | 47 |
|
| 7 | had been [v-ing] [prep] [adj] years | 45 |
|
| 8 | had [been] [v-ing] for [adj] years | 44 |
|
| 9 | had been [v-ing] for [adj] year | 44 |
|
| 10 | had be [v-ing] for [adj] years | 44 |
|
| 11 | had [be] [v-ing] for [adj] years | 44 |
|
