| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [adj] understand such statements | 5 |
|
| 2 | is necessary understand such [noun pl] | 5 |
|
| 3 | is [adj] to understand such [noun pl] | 5 |
|
| 4 | is [adj] understand such [noun pl] | 5 |
|
| 5 | is [adj] understand such [noun pl] | 5 |
|
| 6 | is necessary understand such [noun pl] | 5 |
|
