| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they [modal v] [prep] | 1059 |
|
| 2 | [pron] could [prep] | 870 |
|
| 3 | [pers pn] could [prep] | 816 |
|
| 4 | they could [prep] | 138 |
|
| 5 | they could [prep] | 136 |
|
