| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is necessary [to-vb] such [noun pl] | 7 |
|
| 2 | is [adj] to understand such [noun pl] | 5 |
|
| 3 | is [adj] [to-vb] such statements | 5 |
|
| 4 | is possible [to-vb] such [noun pl] | 5 |
|
