| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it must also | 155 |
|
| 2 | it must always | 40 |
|
| 3 | it must surely | 23 |
|
| 4 | it must therefore | 21 |
|
| 5 | it must never | 19 |
|
| 6 | it must now | 15 |
|
| 7 | it must still | 14 |
|
| 8 | it must either | 11 |
|
| 9 | it must then | 9 |
|
| 10 | it must however | 6 |
|
