| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] if [pron] have never happened | 7 |
|
| 2 | [prep] if [pron] have never happen | 7 |
|
| 3 | [prep] if [pron] had never happen | 7 |
|
| 4 | [prep] if it have never happen | 7 |
|
| 5 | as if [pron] have never happen | 7 |
|
| 6 | as if [pron] have never happen | 7 |
|
| 7 | [prep] if it have never happen | 7 |
|
| 8 | [prep] if [pron] have never happen | 7 |
|
| 9 | [prep] if [pers pn] have never happen | 7 |
|
