| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must have [be] [prep] | 289 |
|
| 2 | have [be] think [prep] | 35 |
|
| 3 | must have [be] think | 12 |
|
| 4 | must [be] think [prep] | 11 |
|
| 5 | must have think [prep] | 10 |
|
