| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had [adv] [verb] to | 876 |
|
| 2 | had [adv] [vb pp] to | 838 |
|
| 3 | [verb] [adv] happened to | 68 |
|
| 4 | have [adv] happened to | 68 |
|
| 5 | had [adv] happened [prep] | 52 |
|
| 6 | had [adv] happened [prep] | 52 |
|
| 7 | had [adv] happened to | 33 |
|
| 8 | had [adv] happen to | 30 |
|
| 9 | had [adv] happened to | 30 |
|
| 10 | [vb past] [adv] happened to | 30 |
|
