| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [noun] [pron] could [adv] | 169 |
|
| 2 | [prep] [noun sg] [pron] could [adv] | 88 |
|
| 3 | [prep] course [pron] could [adv] | 60 |
|
| 4 | [prep] course [pron] [modal v] [adv] | 55 |
|
| 5 | [prep] course [pron] could [adv] | 11 |
|
