| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | relatively little is known [prep] | 14 |
|
| 2 | relatively little is know [prep] | 14 |
|
| 3 | relatively little is know [prep] | 14 |
|
| 4 | relatively little is know about | 10 |
|
| 5 | relatively little is know about | 10 |
|
