| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at which [vb base] [art] | 53 |
|
| 2 | at which [vb base] [art] | 53 |
|
| 3 | at which [vb base] [art] | 53 |
|
| 4 | at which point [art] | 44 |
|
| 5 | at which [vb base] the | 36 |
|
| 6 | at which [vb base] the | 36 |
|
| 7 | at which [vb base] a | 13 |
|
| 8 | at which [vb base] a | 9 |
|
| 9 | at which stage [art] | 5 |
|
