| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] been [verb] [adv] for years | 13 |
|
| 2 | [vb past] been [v-ing] [adv] for years | 13 |
|
| 3 | had been [verb] [adv] for years | 12 |
|
| 4 | [vb past] been [verb] [adv prt] for years | 7 |
|
| 5 | [vb past] been [verb] [adv] for years | 6 |
|
