| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] course they could | 14 |
|
| 2 | of course they could | 14 |
|
| 3 | of course they could | 14 |
|
| 4 | [prep] course they could | 14 |
|
| 5 | course they could [adv] | 9 |
|
| 6 | course they could [not/n't] | 8 |
|
| 7 | course they could not | 8 |
|
| 8 | course they could n't | 7 |
|
