| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [been] [v-ing] this [noun sg] | 21 |
|
| 2 | [been] [v-ing] for this [noun sg] | 21 |
|
| 3 | [vb past] [been] [v-ing] for [noun sg] | 15 |
|
| 4 | [vb past] [been] [v-ing] for this | 8 |
|
