| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] to know about [noun sg] | 54 |
|
| 2 | need to know about [noun sg] | 28 |
|
| 3 | [vb infin] to know about [noun sg] | 11 |
|
| 4 | need [verb] about [noun sg] | 10 |
|
| 5 | need to know about [noun] | 10 |
|
| 6 | need to know [prep] [noun sg] | 10 |
|
| 7 | need [to-vb] about [noun sg] | 10 |
|
| 8 | need know about [noun sg] | 7 |
|
