| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] happened [prep] [art] last [noun] | 5 |
|
| 2 | [vb -s] happened [prep] the last [noun] | 5 |
|
| 3 | has happened [prep] [art] last [noun] | 5 |
|
| 4 | [vb -s] happened [prep] the last [noun] | 5 |
|
| 5 | [vb -s] happened [prep] [art] last [noun] | 5 |
|
| 6 | [vb -s] happened [prep] [art] last [noun sg] | 5 |
|
