| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it take a [adj] effort [to-vb] | 6 |
|
| 2 | [pers pn] take a [adj] effort [to-vb] | 6 |
|
| 3 | it take a [adj] effort [to-vb] | 6 |
|
| 4 | [pron] take a [adj] effort [to-vb] | 6 |
|
