| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be [prep] a | 2077 |
|
| 2 | it [be] [prep] a | 2077 |
|
| 3 | it 's [prep] [art] | 1981 |
|
| 4 | it [is] [prep] a | 1147 |
|
| 5 | [pron] 's [prep] a | 1108 |
|
| 6 | it 's [prep] a | 701 |
|
