| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | an [adj] [noun sg] [noun sg] | 10689 |
|
| 2 | an old [noun] [noun sg] | 660 |
|
| 3 | an [adj] [noun prp] [noun sg] | 463 |
|
| 4 | an [adj] [noun pl] [noun sg] | 363 |
|
| 5 | an [adj] [noun] system | 286 |
|
| 6 | an important [noun] [noun sg] | 247 |
|
| 7 | an [adj] [n mass] [noun sg] | 245 |
|
| 8 | an open [noun] [noun sg] | 244 |
|
| 9 | an international [noun] [noun sg] | 237 |
|
| 10 | an early [noun] [noun sg] | 230 |
|
| 11 | an independent [noun] [noun sg] | 182 |
|
| 12 | an annual [noun] [noun sg] | 182 |
|
| 13 | an excellent [noun] [noun sg] | 176 |
|
| 14 | an american [noun] [noun sg] | 175 |
|
| 15 | an [adj] [noun] programme | 145 |
|
| 16 | an average [noun] [noun sg] | 140 |
|
| 17 | an internal [noun] [noun sg] | 136 |
|
| 18 | an effective [noun] [noun sg] | 129 |
|
| 19 | an appropriate [noun] [noun sg] | 128 |
|
| 20 | an existing [noun] [noun sg] | 121 |
|
| 21 | an extensive [noun] [noun sg] | 117 |
|
| 22 | an english [noun] [noun sg] | 115 |
|
| 23 | an additional [noun] [noun sg] | 115 |
|
| 24 | an ordinary [noun] [noun sg] | 111 |
|
| 25 | an ideal [noun] [noun sg] | 106 |
|
| 26 | an [adj] [noun] rate | 103 |
|
| 27 | an [adj] [noun] policy | 93 |
|
| 28 | an empty [noun] [noun sg] | 91 |
|
| 29 | an overall [noun] [noun sg] | 90 |
|
| 30 | an initial [noun] [noun sg] | 90 |
|
