| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could go [adv] [to-vb] | 12 |
|
| 2 | could go [adv prt] [to-vb] | 12 |
|
| 3 | could go on [to-vb] | 6 |
|
| 4 | could go on [to-vb] | 6 |
|
