| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has been [v-ing] for [adj] time | 12 |
|
| 2 | has been [v-ing] [prep] [det] time | 12 |
|
| 3 | has been [v-ing] for [adj] time | 12 |
|
| 4 | has been [v-ing] [prep] some time | 12 |
|
| 5 | has been [v-ing] [prep] some time | 12 |
|
| 6 | has been [v-ing] [prep] [adj] time | 12 |
|
