| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] [adv] [prep] a | 4354 |
|
| 2 | been [v-ing] [adv] [prep] | 1334 |
|
| 3 | been [v-ing] [prep] a | 665 |
|
| 4 | been [adv] [prep] a | 215 |
|
| 5 | been [v-ing] [adv] a | 92 |
|
