| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] have been [v-ing] [prep] | 456 |
|
| 2 | [det] [noun pl] have been [v-ing] | 116 |
|
| 3 | [det] [noun pl] have been [prep] | 62 |
|
| 4 | [det] have been [v-ing] [prep] | 29 |
|
