| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must be [vb pp] at the [noun] | 49 |
|
| 2 | must be [vb pp] at the [noun sg] | 47 |
|
| 3 | [modal v] be [vb pp] at the outset | 34 |
|
| 4 | must be [vb pp] [prep] the outset | 15 |
|
| 5 | must be [vb pp] [prep] the outset | 15 |
|
| 6 | must be [verb] at the outset | 13 |
|
| 7 | must be [vb pp] at the outset | 13 |
|
| 8 | must be [vb pp] at the outset | 13 |
|
| 9 | must be [vb pp] at the outset | 13 |
|
| 10 | must be [vb pp] at [art] outset | 13 |
|
| 11 | must be [vb pp] at [art] outset | 13 |
|
| 12 | must [be] [vb pp] at the outset | 13 |
|
