| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [v-ing] [adj] [noun sg] | 500 |
|
| 2 | it have been [adj] [noun sg] | 100 |
|
| 3 | it have been [v-ing] [adj] | 29 |
|
| 4 | it have been [v-ing] [noun sg] | 8 |
|
