| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [been] [v-ing] [adv] [prep] | 1334 |
|
| 2 | [be] [v-ing] forward [prep] | 673 |
|
| 3 | [been] [verb] forward [prep] | 166 |
|
| 4 | [been] [v-ing] forward [prep] | 70 |
|
