| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] the main [noun] | 274 |
|
| 2 | [vb past] the main [noun sg] | 208 |
|
| 3 | [vb past] the [adj] problem | 76 |
|
| 4 | [vb past] the [adj] problem | 52 |
|
| 5 | [verb] the main problem | 13 |
|
| 6 | [vb past] the main problem | 8 |
|
| 7 | [vb past] the main problem | 5 |
|
| 8 | [vb past] the main problem | 5 |
|
| 9 | [vb past] [art] main problem | 5 |
|
| 10 | [vb past] [art] main problem | 5 |
|
