| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] if [pron] have [adv] happened | 17 |
|
| 2 | [prep] if [pron] have [adv] happen | 17 |
|
| 3 | as if [pron] have [adv] happen | 17 |
|
| 4 | as if [pron] have [adv] happen | 17 |
|
| 5 | [prep] if [pron] had [adv] happen | 16 |
|
| 6 | [prep] if [pron] have [adv] happen | 15 |
|
| 7 | [prep] if [pers pn] have [adv] happen | 13 |
|
| 8 | [prep] if it have [adv] happen | 12 |
|
| 9 | [prep] if it have [adv] happen | 12 |
|
| 10 | [prep] if [pron] have never happen | 7 |
|
| 11 | [prep] if [pron] have never happen | 7 |
|
