| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [art] main [noun sg] | 53 |
|
| 2 | have [been] the main [noun sg] | 44 |
|
| 3 | has [been] [art] main [noun sg] | 26 |
|
| 4 | had [been] [art] main [noun sg] | 11 |
|
| 5 | have [been] [art] main [noun sg] | 9 |
|
| 6 | have [been] a main [noun sg] | 9 |
|
| 7 | have [been] [art] main source | 5 |
|
| 8 | have [been] [art] main cause | 5 |
|
