| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] be [art] [adv] [adj] | 1231 |
|
| 2 | [prep] be [art] [adv] [adj] | 1184 |
|
| 3 | [prep] be [art] [adv] difficult | 23 |
|
| 4 | [prep] be [art] [adv] difficult | 23 |
|
| 5 | [prep] [be] [art] [adv] difficult | 23 |
|
| 6 | [prep] be [art] [adv] difficult | 23 |
|
| 7 | [prep] [be] [art] [adv] difficult | 23 |
|
| 8 | [prep] be [art] [adv] difficult | 23 |
|
