| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must have be [verb] [prep] | 320 |
|
| 2 | [modal v] have be think [prep] | 27 |
|
| 3 | [vb mod] have be think [prep] | 27 |
|
| 4 | must [verb] be think [prep] | 8 |
|
| 5 | must have be think [prep] | 8 |
|
| 6 | must have be think [prep] | 8 |
|
| 7 | must have [be] think [prep] | 8 |
|
