| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] have [been] [verb] | 1183 |
|
| 2 | [verb] have [been] [v-ing] | 196 |
|
| 3 | [vb pp] have [be] [v-ing] | 68 |
|
| 4 | [vb pp] [verb] [been] [v-ing] | 68 |
|
