| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [vb infin] she [adv] | 130 |
|
| 2 | [modal v] [vb infin] she back | 58 |
|
| 3 | could [vb infin] [pron] back | 54 |
|
| 4 | could [vb infin] she [adv prt] | 45 |
|
| 5 | could [vb infin] she back | 9 |
|
| 6 | could [verb] she back | 9 |
|
