| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | to check [subord] [art] | 37 |
|
| 2 | to check [subord] the | 29 |
|
| 3 | to check [subord] the | 29 |
|
| 4 | to check whether [art] | 24 |
|
| 5 | to check if [art] | 11 |
|
| 6 | to check [subord] a | 8 |
|
| 7 | to check [subord] a | 8 |
|
