| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [to-vb] when [art] | 28 |
|
| 2 | about [to-vb] [conj] [art] | 20 |
|
| 3 | [adv prt] [to-vb] when [art] | 16 |
|
| 4 | about [verb] when [art] | 15 |
|
| 5 | about [to-vb] when [art] | 14 |
|
