| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | you must be [verb] | 188 |
|
| 2 | you must be [verb] | 188 |
|
| 3 | you must be [v-ing] | 132 |
|
| 4 | you must be joking | 55 |
|
| 5 | you must be joke | 55 |
|
| 6 | you must be [vb pp] | 55 |
|
| 7 | you must be feeling | 13 |
|
| 8 | you must be feel | 13 |
|
| 9 | you must be exhausted | 12 |
|
| 10 | you must be exhaust | 12 |
|
| 11 | you must be get | 9 |
|
| 12 | you must be getting | 9 |
|
| 13 | you must be bear | 7 |
|
| 14 | you must be born | 7 |
|
| 15 | you must be look | 5 |
|
| 16 | you must be looking | 5 |
|
