| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adv] [vb pp] | 3866 |
|
| 2 | is [adv] closely [vb pp] | 89 |
|
| 3 | it is closely [vb pp] | 22 |
|
| 4 | it is [adv] closely | 10 |
|
