| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [to-vb] [prep] some time | 43 |
|
| 2 | [to-vb] for some time | 32 |
|
| 3 | [to-vb] at some time | 9 |
|
| 4 | to continue [prep] some time | 6 |
|
