| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] it have [been] [verb] [prep] | 726 |
|
| 2 | [conj] [pron] have [been] [v-ing] [prep] | 644 |
|
| 3 | [conj] [pers pn] have [been] [v-ing] [prep] | 626 |
|
| 4 | [conj] it have [been] [v-ing] [prep] | 40 |
|
| 5 | [conj] it have [been] [v-ing] [prep] | 40 |
|
| 6 | [conj] it [verb] [been] [v-ing] [prep] | 40 |
|
| 7 | [conj] it have [be] [v-ing] [prep] | 40 |
|
