Has Anyone Used Solity Digital Lock Before?

Feb 9, 2016i have a question about where to use is and has. Another user felt it wasn't grammatically correct: They have the bottle for questions or special emphasis you use an auxiliary verb (-> finite) together with a verb in the infinitive:

May 20, 2017today my friend asked me if you can use "has" instead of "have" here. It is ungrammatical to use 'has' in questions that begin with 'do' or 'does'.