| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] for a | 21550 |
|
| 2 | [vb base] for a | 1933 |
|
| 3 | know [prep] a | 171 |
|
| 4 | know [prep] a | 171 |
|
| 5 | know for a | 125 |
|
| 6 | know for [art] | 68 |
|
| 7 | know for a | 51 |
|
