TENSES FROM "MY SMART TV" ARTICLE (Red Army)

A first patent was filed in 1994(and extended the following year)for an "intelligent" television system, linked with data processing systems, by means of a digital or analog network

Tense : Simple Past Tense

Rules in this sentence: Subject(A first patent) + Was /Were+ Filed

Major TV manufacturers have announced production of smart TVs only

Tense : Present Perfect Tense

Rules in this sentence: Subject(Major TV manufacturers) +Have/Has + Verb.lll(announced)

smart TV often allows the user to install and run more advanced applications or plugins/addons based on a specific platform.

Tense : Simple Present Tense

Rules in this sentence: Subject(smart TV) + Often + Verb.l+s(allows)

antivirus company Avira has joined forces with digital TV testing company Labwise to work on the software that would protect against potential attacks

Tense : Present Perfect Tense

Rules in this sentence: Subject(antivirus company Avira) +Have/Has + Verb.lll(joined)

Google TV-enabled devices were blocked by NBC, ABC, CBS, and Hulufrom

accessing their Web content since the launch of Google TV in October 2010.

Tense : Simple Past Tense

Rules in this sentence: Subject(Google TV-enabled devices) + Was /Were + blocked

Google TV devices were also blocked from accessing any programs offered by

Viacom’s subsidiaries

Tense : Simple Past Tense

Rules in this sentence: Subject(Google TV devices) + Was /Were + blocked

-Red Army