| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [v-ing] [adv] [prep] a | 110 |
|
| 2 | [v-ing] [adv] [prep] a long | 40 |
|
| 3 | been [adv] [prep] a long | 32 |
|
| 4 | been [v-ing] [prep] a long | 30 |
|
