| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | we could [adv] | 1644 |
|
| 2 | [pron] could only | 931 |
|
| 3 | [pers pn] could only | 776 |
|
| 4 | we could [adv] | 713 |
|
| 5 | we [modal v] only | 544 |
|
| 6 | we could only | 51 |
|
| 7 | we could only | 51 |
|
