| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has [been] [vb pp] [prep] | 16056 |
|
| 2 | has [been] [v-ing] [prep] | 1064 |
|
| 3 | [been] [vb pp] [v-ing] [prep] | 170 |
|
| 4 | has [been] [vb pp] [v-ing] | 137 |
|
| 5 | has [vb pp] [v-ing] [prep] | 86 |
|
