| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [v-ing] a [noun sg] [prep] | 282 |
|
| 2 | have been a [noun sg] [prep] | 232 |
|
| 3 | have been [v-ing] [noun sg] [prep] | 77 |
|
| 4 | have been [v-ing] a [noun sg] | 65 |
|
