| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [vb infin] [adv prt] [prep] | 1217 |
|
| 2 | [vb infin] [adv prt] [prep] [n mass] | 264 |
|
| 3 | could [vb infin] [prep] [n mass] | 59 |
|
| 4 | could [vb infin] [adv prt] [n mass] | 8 |
|
