| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not [vb infin] [noun sg] [prep] | 2545 |
|
| 2 | could not [vb infin] [prep] | 2114 |
|
| 3 | could [vb infin] [noun sg] [prep] | 882 |
|
| 4 | could not [vb infin] [noun sg] | 438 |
|
| 5 | could not [noun sg] [prep] | 16 |
|
