years has passed vs years have passed

Some examples from the web:

• Imagine that three years has passed since you closed them.
• In fact, only one of those Neptunian years has passed since Neptune was actually discovered.
• Mr President, Commissioner, two years has passed since the Commission launched a communication in February 2009 on a Community approach to the prevention of natural and man-made disasters.
• Tonight a ghost that has haunted us all through these years Has passed...
• Mr President, a period of almost ten years has passed before we have genuinely started trying to implement a construction- products directive.
• I am speaking of wearing mourning until the year has passed.
• A year has passed since Felix halted his training.
• Over a year has passed since the abductions of three Israeli soldiers.
• More than a year has passed since the tender JLS/2008/C4/006 for the study on totalitarian regimes.
• Madam President, almost a year has passed since the Commission presented the Europe 2020 Strategy.
• A year has passed since the launch of the Black Sea Synergy initiative.
• More than a year has passed since the National Transitional Government of Liberia took office following the signing of the Accra Comprehensive Peace Agreement in August 2003.
• Not even a year has passed and we're already talking about a baby.
• Over a year has passed since these principles came into force and were put into practice.
• Although over a year has passed since the Albanian Transport Ministry was ordered to pay the Danish company Rohde Nielsen A/S EUR 2.2 million, this payment has yet to be made.
• A year has passed since the Vancouver 2010 Olympics - an event that will certainly not be remembered for the Canadians' organisational abilities - and once again negative reports are emerging.
• Over a year has passed and the worst fears regarding the downgrading by these US agencies of EU Member States' public debt issuances have been more than fulfilled.
• Over a year has passed and the worst fears regarding the downgrading by these US agencies of EU Member States' public debt issuances have been more than fulfilled.
• Almost a year has passed since the NDPC recommended the introduction of a set of measures and, up to now, visible alterations have not been made.
• Somewhat over a year has passed since Romania became a member state of the EU.

Some examples from the web:

• Dec 1, 2015 ... Should be "saying how many years have passed". Plural noun, plural verb. – RegDwigнt. Dec 1, 2015 at 10:42. Add a ...
• Sep 17, 2022 ... He's simply not aging with the passage of time. So about who many years have passed since he left home with Pikachu, you think? 20 ...
• Apr 17, 2018 ... Closed 5 years ago. How do I write that years have passed in a short story, but without stating it? I have been trying all sorts of ...
• Mar 26, 2018 ... ... years have passed since the Eclipse/end of the Golden Age Arc. The reason for that is because in addition to the 2 years Guts spent ...
• Two years have passed since I joined F2 Venture Capital Two years and millions of words written thousands of ideas brought to life hundreds of hands…
• Sep 29, 2023 ... Over 20 years have passed, and I'm still loving my Momma out loud | Opinion ... As I have ...
• 15 likes, 1 comments - montel_williams on September 18, 2023: "76 years have passed since the @USAirForce was founded, and today I am joining ...
• Mar 22, 2017 ... How many years have passed in the story? Ser Loras The Gay. By Ser ... How many years have passed in the story? IPS Theme by IPSFocus · Privacy ...
• keidymoreno19 on June 6, 2023: "Twenty-three (23)years have passed, yet they feel like yesterday! #newheadshots @victoriasmit..."