| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [been] [v-ing] for | 584 |
|
| 2 | [vb past] [been] [v-ing] [det] | 225 |
|
| 3 | [been] [v-ing] for [det] | 217 |
|
| 4 | [vb past] [been] for [det] | 24 |
|
| 5 | [vb past] [v-ing] for [det] | 21 |
|
