The phrase "able to instruct it" is grammatically correct and can be used in written English.
You can use it when referring to the capability of someone or something to provide guidance or direction to a specific subject or object.
Example: "The software is designed to be able to instruct it on how to perform various tasks efficiently."
Alternatives: "capable of guiding it" or "able to direct it".
During his adolescence (c. 874 894), at a time when Islāmic mysticism was in its formative period, he began to withdraw from the world and to seek the company of individuals who were able to instruct him in the Ṣūfī way.
In Steven Moffat's Ninth Doctor short story "'What I Did on My Christmas Holidays' by Sally Sparrow" the Doctor and the TARDIS are inadvertently separated twenty years in time by a fault in the time machine and the Doctor is able to instruct Sally how to bring it back to him in the past.
The alternative royal charter, presented by Miliband and Nick Clegg, would create a regulator with greater independence from the industry; it would have more powers to investigate complaints; and it would be able to instruct on the prominence of apologies in newspapers while, crucially, the charter would be enshrined in legislation.
They were also able to instruct the phone to report its location to the attacker, and to drain its battery by turning on energy-hogging features without the user's knowledge.
Interestingly, we found that our teacher-instructed student His-GFP flies were not able to instruct new students, as the naive Canton-S females did not decrease oviposition.
Monitoring these children is important in order to be able to instruct the families on the severity of AIDS and its consequences, to provide better care to improve their quality of life and to increase their survival time [ 20].
As the negotiations were long and largely political, Bini (no politician) was able to instruct the Briton in elementary ichthyology.
Despite this, he was able to instruct a Leeds-based law firm to continue to sue me personally, even after the publishers of the Sikh Times had apologised.
Few schools had teachers who were willing or able to instruct a hybrid course; some schools wound up requiring that two teachers lead the class together.
