| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | although it must [be] [verb] that | 25 |
|
| 2 | although it must [be] [vb pp] that | 25 |
|
| 3 | although it must [be] [verb] that | 25 |
|
| 4 | although it must be [verb] that | 25 |
|
| 5 | although it must be [verb] that | 25 |
|
| 6 | although it must [be] say that | 7 |
|
| 7 | although it must [be] said that | 7 |
|
| 8 | although it must [be] stressed that | 5 |
|
| 9 | although it must [be] stress that | 5 |
|
