| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [been] [v-ing] [prep] a long | 30 |
|
| 2 | been [v-ing] [prep] a long | 30 |
|
| 3 | [been] [v-ing] [prep] a long | 30 |
|
| 4 | [been] [v-ing] for a long | 25 |
|
