| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it have never [verb] | 187 |
|
| 2 | it have never [vb pp] | 185 |
|
| 3 | it had never [verb] | 111 |
|
| 4 | it has never [verb] | 52 |
|
| 5 | it have never occurred | 34 |
|
| 6 | it have never occur | 34 |
|
| 7 | it have never happen | 33 |
|
| 8 | it have never happened | 33 |
|
| 9 | it 's never [verb] | 23 |
|
| 10 | it have never had | 12 |
|
| 11 | it have never have | 12 |
|
| 12 | it have never exist | 9 |
|
| 13 | it have never existed | 9 |
|
| 14 | it have never come | 6 |
|
| 15 | it have never seen | 6 |
|
| 16 | it have never see | 6 |
|
| 17 | it have never come | 6 |
|
