| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] [noun pl] has been [v-ing] [prep] | 7 |
|
| 2 | [adj] [noun pl] has be [v-ing] [prep] | 7 |
|
| 3 | [adj] [noun pl] has [been] [v-ing] [prep] | 7 |
|
