| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should [vb infin] taken [art] | 25 |
|
| 2 | should have taken [art] | 24 |
|
| 3 | should [vb infin] taken the | 14 |
|
| 4 | should [vb infin] taken the | 14 |
|
| 5 | should [vb infin] taken a | 11 |
|
| 6 | should [vb infin] taken a | 11 |
|
