| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it must [vb infin] | 1990 |
|
| 2 | it must [vb infin] | 1990 |
|
| 3 | it must have | 1156 |
|
| 4 | it must come | 37 |
|
| 5 | it must 've | 26 |
|
| 6 | it must seem | 25 |
|
| 7 | it must take | 22 |
|
| 8 | it must mean | 22 |
|
| 9 | it must make | 21 |
|
| 10 | it must go | 21 |
|
| 11 | it must do | 20 |
|
| 12 | it must follow | 18 |
|
| 13 | it must include | 14 |
|
| 14 | it must look | 13 |
|
| 15 | it must give | 13 |
|
| 16 | it must feel | 13 |
|
| 17 | it must sound | 12 |
|
| 18 | it must pay | 12 |
|
| 19 | it must remain | 11 |
|
| 20 | it must become | 10 |
|
| 21 | it must contain | 10 |
|
| 22 | it must provide | 9 |
|
| 23 | it must cost | 8 |
|
| 24 | it must happen | 8 |
|
| 25 | it must get | 7 |
|
| 26 | it must pass | 7 |
|
| 27 | it must stay | 6 |
|
| 28 | it must apply | 6 |
|
| 29 | it must satisfy | 6 |
|
| 30 | it must show | 6 |
|
