| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [vb pp] [prep] [noun sg] to time | 9 |
|
| 2 | is [vb pp] from [noun] to time | 8 |
|
| 3 | is [vb pp] [prep] time to time | 8 |
|
| 4 | is [vb pp] [prep] time to time | 8 |
|
