| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] it take [adj] effort | 5 |
|
| 2 | it take a [adj] effort | 11 |
|
| 3 | it take [art] [adj] effort | 11 |
|
| 4 | it take [art] [adj] effort | 11 |
|
| 5 | it take a [adj] effort | 9 |
|
| 6 | it take [adj] effort [to-vb] | 5 |
|
| 7 | it take [adj] effort [verb] | 5 |
|
