| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [v-ing] a long time | 10 |
|
| 2 | [verb] been [v-ing] a long time | 10 |
|
| 3 | [vb base] been [v-ing] a long time | 7 |
|
| 4 | have been [v-ing] a long time | 5 |
|
| 5 | been [v-ing] [prep] a long time | 26 |
|
| 6 | been [v-ing] [prep] a long time | 26 |
|
| 7 | been [v-ing] for a long time | 23 |
|
| 8 | been [v-ing] for a long time | 23 |
|
