| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is to [be] [vb pp] next [noun sg] | 20 |
|
| 2 | is [prep] be [vb pp] next [noun sg] | 20 |
|
| 3 | is [prep] [be] [vb pp] next month | 10 |
|
| 4 | is [prep] [be] [vb pp] next week | 6 |
|
