| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] been [verb] for [det] year | 39 |
|
| 2 | had [been] [verb] for [det] year | 38 |
|
| 3 | [vb past] [been] [verb] for [det] years | 38 |
|
| 4 | [vb past] [been] [v-ing] for [det] year | 20 |
|
| 5 | [vb past] [been] [vb pp] for [det] year | 19 |
|
| 6 | [vb past] [been] [verb] for many year | 18 |
|
| 7 | [vb past] [been] [verb] for some year | 11 |
|
| 8 | [vb past] [been] [verb] for several year | 9 |
|
