| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | we should have [verb] | 252 |
|
| 2 | we should have [vb pp] | 225 |
|
| 3 | [pron] should have taken | 62 |
|
| 4 | [pers pn] should have taken | 59 |
|
| 5 | we [modal v] have taken | 18 |
|
| 6 | we should have take | 11 |
|
| 7 | we should [verb] taken | 8 |
|
| 8 | we should have taken | 8 |
|
