| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [verb] [det] an hour | 10 |
|
| 2 | it [verb] half [art] hour | 10 |
|
| 3 | it take [det] [art] hour | 9 |
|
| 4 | it [vb past] [det] [art] hour | 5 |
|
| 5 | it takes [det] [art] hour | 5 |
|
| 6 | it [vb -s] [det] [art] hour | 5 |
|
