| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | and it is [vb pp] [prep] | 174 |
|
| 2 | it is usually [vb pp] [prep] | 85 |
|
| 3 | and is usually [vb pp] [prep] | 35 |
|
| 4 | and it is usually [vb pp] | 9 |
|
