| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [noun sg] it is [verb] | 119 |
|
| 2 | [prep] [noun sg] is usually [verb] | 43 |
|
| 3 | [noun sg] it is usually [verb] | 12 |
|
| 4 | [prep] [noun sg] it is usually | 11 |
|
