| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | back [prep] the [adj] [noun] | 2111 |
|
| 2 | [adv] [prep] the main [noun] | 639 |
|
| 3 | back [prep] [art] main [noun] | 70 |
|
| 4 | back [prep] [art] main [noun] | 70 |
|
| 5 | back [prep] the main [noun] | 69 |
|
