| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [verb] for [adj] years | 48 |
|
| 2 | have been [vb pp] for [adj] years | 30 |
|
| 3 | have been [verb] for [num] years | 25 |
|
| 4 | have been [verb] for [det] years | 23 |
|
| 5 | have been [v-ing] for [adj] years | 18 |
|
| 6 | have been [verb] for many years | 15 |
|
| 7 | have been [verb] for many years | 15 |
|
| 8 | have been [verb] for two years | 7 |
|
| 9 | have been known for [adj] years | 7 |
|
| 10 | have been know for [adj] years | 7 |
|
| 11 | have been [verb] for two years | 7 |
|
| 12 | have been [verb] for several years | 5 |
|
| 13 | have been [verb] for several years | 5 |
|
