| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [modal v] be month | 24 |
|
| 2 | it [vb mod] [be] month | 24 |
|
| 3 | it [modal v] [be] months | 24 |
|
| 4 | it could [be] month | 7 |
|
| 5 | it could [be] month | 7 |
|
| 6 | it may [be] month | 6 |
|
| 7 | it may [be] month | 6 |
|
