| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [verb] for [num] years | 25 |
|
| 2 | have been [vb pp] for [num] [noun pl] | 24 |
|
| 3 | have been [v-ing] for [num] [noun pl] | 19 |
|
| 4 | have been [verb] for two [noun pl] | 10 |
|
| 5 | have been [verb] for three [noun pl] | 7 |
|
| 6 | have been [verb] for [num] months | 7 |
|
