| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] [adv] closely [vb pp] | 15 |
|
| 2 | it be [adv] closely [vb pp] | 15 |
|
| 3 | it [is] [adv] closely [vb pp] | 11 |
|
| 4 | it is [adv] closely [vb pp] | 10 |
|
