| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had known for some [noun] | 7 |
|
| 2 | had known for [det] time | 6 |
|
| 3 | had known for [det] [noun sg] | 6 |
|
| 4 | had known for [det] time | 6 |
|
