How are Studies vs How is studies

Some examples from the web:

• How are your studies, Bill?
• Well, listen, sweetie, I know how important your studies are to you, the year abroad, but we'll deal with all that later.
• How are you going to study well like this?
• Well, well, how are my two favorite study buddies doing?
• But even if they agree to this, how are they supposed to study a creature they can't even see?
• How far advanced are the studies for the project to build a natural gas pipeline from Corinth to Patras?
• Those relationships don't work... there are studies.
• There are studies that show it helps with depression, it elevates mood.
• And these are studies commissioned by the Zionist organization for alternative areas for Jewish settlement.
• Are study hours no longer required?
• Are studies available in this connection?
• You know, there are studies that actually suggest that infrasound could be the scientific cause of hauntings.
• Where there are studies in only one species without other relevant supporting evidence then classification in Category 3 may be appropriate.
• Where there are studies in only one species without other relevant supporting evidence then classification in category 3 may be appropriate.
• There are studies which suggest that some patients considered vegetative can hear what is being said to them.
• Examples of the activities of such bodies are studies and analyses of EU policy, together with seminars, round-table discussions and publications.
• There are studies which have shown that 8 million new jobs can be created through the energy transition alone.
• Are studies being stepped up in this area?
• However, there are studies showing that European cooperation and the internal market make a substantial contribution to Member States' GNP.
• There are studies which show that half of all pupils either attack others or are themselves attacked at school.

Some examples from the web:

• How much is the monthly study grant under this programme?
• This is how we study, man.
• This is how you study for the funeral director's license?
• How much is the unpublished study estimated to have cost?
• I can assure the honourable Member that my services will give the fullest attention to how this study is carried out and will ensure that the contractor fully meets the award criteria set out in the tender specifications.
• The only class I'm passing is study hall.
• So what we want is studies in real human people.
• What I'm going to do is study French.
• All you do at night is study.
• Set a limited time for a break to watch the cartoons, then all you do is study.
• All I ever do is study and go to practice.
• I need someone who'll make sure that all she does is study.
• From just past 7:30 until now, 11 o'clock, the only thing your son has done is study.
• But we can't help Danny if all we do is study at the diner.
• Whatever it is, instead of deleting you, what I want to do is study you.
• Subject: Findings of the BirdLife International study on 'How is EU rural development policy delivering for biodiversity? '
• For short-term studies, a general study plan accompanied by a study specific supplement may be used.
• Mechanistic study - any studies necessary to clarify effects reported in toxicity studies
• Clinical studies results The efficacy of ADENURIC was demonstrated in two Phase 3 pivotal studies (APEX study and FACT study described below) that were conducted in 1832 patients with hyperuricemia and gout.
• And the way you should do that is study the furniture, let it marinate in your mind, distract yourself, and then a few days later, go with your gut, because unconsciously you've figured it out.