| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be [verb] [adv] [prep] | 1850 |
|
| 2 | it be [verb] [adv prt] [prep] | 1002 |
|
| 3 | [pron] be [verb] back [prep] | 672 |
|
| 4 | it be [verb] back [prep] | 68 |
|
| 5 | it [be] [verb] back [prep] | 68 |
|
