| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [noun] [prep] [verb] | 1098 |
|
| 2 | be [noun sg] [prep] [verb] | 619 |
|
| 3 | be difficulty [prep] [verb] | 64 |
|
| 4 | [be] difficulty [prep] [verb] | 17 |
|
