| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | we must [vb infin] a | 151 |
|
| 2 | we must have a | 45 |
|
| 3 | we must have a | 45 |
|
| 4 | we must make a | 13 |
|
| 5 | we must make a | 13 |
|
| 6 | we must find a | 13 |
|
| 7 | we must find a | 13 |
|
| 8 | we must get a | 7 |
|
| 9 | we must get a | 7 |
|
