| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it should [adv] | 1379 |
|
| 2 | it should [adv] | 600 |
|
| 3 | it [modal v] therefore | 234 |
|
| 4 | [pron] should therefore | 89 |
|
| 5 | [pers pn] should therefore | 73 |
|
| 6 | it should therefore | 32 |
|
| 7 | it should therefore | 32 |
|
