| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] [verb] [prep] [art] | 7174 |
|
| 2 | when [verb] [prep] [art] | 1926 |
|
| 3 | [vb infin] when [verb] [prep] | 44 |
|
| 4 | [vb infin] when [verb] [art] | 26 |
|
