| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [been] [v-ing] for [det] | 88 |
|
| 2 | [noun pl] [vb past] [been] [v-ing] for | 40 |
|
| 3 | [noun pl] [vb past] [been] [v-ing] [det] | 13 |
|
