| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been [v-ing] for [det] [noun] | 64 |
|
| 2 | had been [v-ing] for [adj] years | 44 |
|
| 3 | had been [verb] for [det] years | 37 |
|
| 4 | [verb] been [v-ing] for [det] years | 36 |
|
| 5 | have been [v-ing] for [det] years | 36 |
|
| 6 | had been [v-ing] for [det] [noun pl] | 32 |
|
| 7 | [vb past] been [v-ing] for [det] years | 20 |
|
| 8 | had been [v-ing] for [det] year | 19 |
|
| 9 | had be [v-ing] for [det] years | 19 |
|
| 10 | had [be] [v-ing] for [det] years | 19 |
|
| 11 | had been [v-ing] [prep] [det] years | 19 |
|
| 12 | had been [v-ing] [prep] [det] years | 19 |
|
| 13 | had [been] [v-ing] for [det] years | 19 |
|
| 14 | had been [v-ing] for [det] years | 19 |
|
