| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been an [adj] [noun sg] | 656 |
|
| 2 | has [been] an [adj] [noun sg] | 254 |
|
| 3 | had [been] an [adj] [noun sg] | 178 |
|
| 4 | have [been] an [adj] [noun sg] | 125 |
|
| 5 | have [been] an important [noun sg] | 67 |
|
| 6 | to have [been] an [adj] [noun sg] | 35 |
|
| 7 | have [been] an enormous [noun sg] | 34 |
|
| 8 | 's [been] an [adj] [noun sg] | 26 |
|
| 9 | have [been] an [adj] part | 25 |
|
| 10 | have [been] an increasing [noun sg] | 24 |
|
| 11 | have [been] an [adj] [noun sg] | 22 |
|
| 12 | have [been] an awful [noun sg] | 20 |
|
| 13 | have [been] an active [noun sg] | 19 |
|
| 14 | have [been] an [adj] factor | 15 |
|
| 15 | have [been] an [adj] increase | 11 |
|
| 16 | have [been] an [adj] member | 11 |
|
| 17 | have [been] an [adj] experience | 10 |
|
| 18 | have [been] an interesting [noun sg] | 9 |
|
| 19 | have [been] an [adj] lot | 9 |
|
| 20 | have [been] an [adj] source | 9 |
|
| 21 | have [been] an excellent [noun sg] | 8 |
|
| 22 | have [been] an [adj] year | 8 |
|
| 23 | have [been] an absolute [noun sg] | 8 |
|
| 24 | having [been] an [adj] [noun sg] | 8 |
|
| 25 | have [been] an outstanding [noun sg] | 7 |
|
| 26 | have [been] an easy [noun sg] | 7 |
|
| 27 | have [been] an [adj] success | 7 |
|
| 28 | have [been] an essential [noun sg] | 7 |
|
| 29 | have [been] an additional [noun sg] | 7 |
|
| 30 | have [been] an integral [noun sg] | 6 |
|
