| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | there has [been] considerable [noun sg] | 63 |
|
| 2 | there has [be] considerable [noun sg] | 63 |
|
| 3 | there has be considerable [noun sg] | 63 |
|
| 4 | there has been considerable [noun sg] | 63 |
|
| 5 | there has [be] considerable interest | 6 |
|
| 6 | there has [be] considerable debate | 6 |
|
| 7 | there has [be] considerable discussion | 5 |
|
