| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [adv] know to [noun] | 79 |
|
| 2 | be [adv] know to [noun sg] | 54 |
|
| 3 | be [adv] know [prep] lifespan | 49 |
|
| 4 | be [adv] [verb] to lifespan | 48 |
|
| 5 | [be] [adv] know to lifespan | 47 |
|
| 6 | be [adv] know to lifespan | 47 |
|
