| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] it took [art] [adj] effort | 5 |
|
| 2 | [conj] it took [art] [adj] effort | 5 |
|
| 3 | it took [art] [adj] effort [to-vb] | 6 |
|
| 4 | it took [art] [adj] effort [verb] | 6 |
|
