| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] for a long time | 43 |
|
| 2 | been [v-ing] for a long | 25 |
|
| 3 | been for a long time | 22 |
|
| 4 | been [v-ing] a long time | 11 |
|
