| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] been [verb] for [det] [noun pl] | 64 |
|
| 2 | had [been] [verb] for [det] [noun pl] | 63 |
|
| 3 | [vb past] [been] [verb] for [det] years | 38 |
|
| 4 | [vb past] [been] [v-ing] for [det] [noun pl] | 33 |
|
| 5 | [vb past] [been] [vb pp] for [det] [noun pl] | 31 |
|
| 6 | [vb past] [been] [verb] for many [noun pl] | 22 |
|
| 7 | [vb past] [been] [verb] for several [noun pl] | 18 |
|
| 8 | [vb past] [been] [verb] for some [noun pl] | 18 |
|
| 9 | [vb past] [been] [verb] for [det] months | 6 |
|
| 10 | [vb past] [been] [verb] for [det] weeks | 6 |
|
