| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [vb pp] [art] [noun] | 1532 |
|
| 2 | [vb pp] then [art] [noun] | 121 |
|
| 3 | is then [art] [noun] | 79 |
|
| 4 | is [vb pp] then [art] | 59 |
|
| 5 | is [vb pp] then [noun] | 13 |
|
