| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be [prep] a | 1868 |
|
| 2 | it be [adv prt] [prep] | 1645 |
|
| 3 | be [adv prt] [prep] a | 1126 |
|
| 4 | it [adv prt] [prep] a | 601 |
|
| 5 | it be [adv prt] a | 7 |
|
