| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [v-ing] [prep] a long time | 26 |
|
| 2 | been [v-ing] [prep] [art] long time | 26 |
|
| 3 | been [v-ing] [prep] a long time | 26 |
|
| 4 | been [v-ing] for [art] long time | 23 |
|
