| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [verb] for years | 35 |
|
| 2 | have [been] [verb] for years | 35 |
|
| 3 | have [been] [v-ing] for years | 25 |
|
| 4 | have [been] [vb pp] for years | 10 |
|
| 5 | have [been] use for years | 5 |
|
