| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | do [vb infin] [prep] time [prep] time | 5 |
|
| 2 | do [vb infin] [prep] time to time | 5 |
|
| 3 | do [vb infin] [prep] time to time | 5 |
|
| 4 | do [vb infin] from time [prep] time | 5 |
|
