| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | occur from time to time | 14 |
|
| 2 | occur from time [prep] time | 14 |
|
| 3 | occur from time to time | 14 |
|
| 4 | occur from time [prep] time | 14 |
|
| 5 | occur from time [prep] time | 5 |
|
