| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [verb] for [det] years | 114 |
|
| 2 | be [vb pp] for [det] years | 108 |
|
| 3 | be [verb] for many years | 89 |
|
| 4 | be [v-ing] for [det] years | 37 |
|
| 5 | be [verb] for several years | 30 |
|
| 6 | be [verb] for some years | 29 |
|
| 7 | be [verb] for [det] years | 16 |
|
| 8 | be know for [det] years | 16 |
|
| 9 | be known for [det] years | 16 |
|
| 10 | be use for [det] years | 14 |
|
| 11 | be used for [det] years | 14 |
|
| 12 | was [verb] for [det] years | 14 |
|
