| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [verb] for more | 18 |
|
| 2 | have [been] [v-ing] for more | 12 |
|
| 3 | had [been] [verb] for more | 8 |
|
| 4 | has [been] [verb] for more | 6 |
|
| 5 | have [been] [vb pp] for more | 6 |
|
