| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be [adj] at | 253 |
|
| 2 | it is [adj] at | 103 |
|
| 3 | it was [adj] at | 79 |
|
| 4 | it 's [adj] at | 68 |
|
| 5 | it be difficult at | 14 |
|
| 6 | it be important at | 13 |
|
| 7 | it be available at | 8 |
|
| 8 | it be appropriate at | 8 |
|
| 9 | it be hard at | 6 |
|
| 10 | it be good at | 6 |
|
| 11 | it be obvious at | 6 |
|
| 12 | it be nice at | 5 |
|
| 13 | it be alright at | 5 |
|
| 14 | it be unclear at | 5 |
|
| 15 | it be possible at | 5 |
|
| 16 | it be necessary at | 5 |
|
| 17 | it be reasonable at | 5 |
|
