| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it should [prep] [be] | 9 |
|
| 2 | it should [prep] be | 9 |
|
| 3 | it should of [be] | 8 |
|
| 4 | it should [prep] been | 8 |
|
| 5 | it should [prep] [been] | 8 |
|
| 6 | it should of [be] | 8 |
|
