apertium-en-es software package provides Apertium translation data for the English-Spanish pair, you can install in your Ubuntu 16.04 LTS (Xenial Xerus) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install apertium-en-es
apertium-en-es is installed in your system.
Make ensure the apertium-en-es package were installed using the commands given below,
$ sudo dpkg-query -l | grep apertium-en-es *
You will get with apertium-en-es package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | Miscellaneous |
| Package | apertium-en-es |
| Version | 0.8.0~r57502-1 |
| Description | Apertium translation data for the English-Spanish pair |
| Sub Section | Misc |