| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [vb pp] for [det] years | 70 |
|
| 2 | have be [vb pp] for [det] years | 70 |
|
| 3 | have be [vb pp] for many years | 50 |
|
| 4 | has be [vb pp] for [det] years | 31 |
|
| 5 | had be [vb pp] for [det] years | 18 |
|
| 6 | have be [vb pp] for [det] years | 16 |
|
| 7 | have be known for [det] years | 15 |
|
| 8 | have be [vb pp] for some years | 15 |
|
| 9 | have be used for [det] years | 12 |
|
| 10 | have be [vb pp] for several years | 5 |
|
