| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | there have been a [adj] [noun sg] | 941 |
|
| 2 | there have [been] a [adj] [noun sg] | 917 |
|
| 3 | there has [been] a [adj] [noun sg] | 625 |
|
| 4 | there had [been] a [adj] [noun sg] | 219 |
|
| 5 | there have [been] a [adj] increase | 88 |
|
| 6 | there 's [been] a [adj] [noun sg] | 69 |
|
| 7 | there have [been] a great [noun sg] | 68 |
|
| 8 | there have [been] a great [noun sg] | 60 |
|
| 9 | there have [been] a [adj] deal | 45 |
|
| 10 | there have [been] a steady [noun sg] | 40 |
|
| 11 | there have [been] a steady [noun sg] | 40 |
|
| 12 | there have [been] a [adj] change | 31 |
|
| 13 | there have [been] a significant [noun sg] | 30 |
|
| 14 | there have [been] a significant [noun sg] | 30 |
|
| 15 | there have [been] a [adj] amount | 29 |
|
| 16 | there have [been] a [adj] decline | 28 |
|
| 17 | there have [been] a marked [noun sg] | 28 |
|
| 18 | there have [been] a marked [noun sg] | 28 |
|
| 19 | there have [been] a growing [noun sg] | 28 |
|
| 20 | there have [been] a considerable [noun sg] | 28 |
|
| 21 | there have [been] a growing [noun sg] | 28 |
|
| 22 | there have [been] a considerable [noun sg] | 28 |
|
| 23 | there have [been] a [adj] growth | 27 |
|
| 24 | there have [been] a big [noun sg] | 26 |
|
| 25 | there have [been] a big [noun sg] | 26 |
|
| 26 | there have [been] a major [noun sg] | 26 |
|
| 27 | there have [been] a major [noun sg] | 26 |
|
| 28 | there have [been] a substantial [noun sg] | 23 |
|
| 29 | there have [been] a substantial [noun sg] | 23 |
|
| 30 | there have [been] a [adj] improvement | 21 |
|
