No, because even the best person may make some mistake. Authors type a draft and then send it to the editing process for review and correction, that's why it takes so long to write a book and then have it published.
Have/Has agreed.
I had agreed.
Present perfect is formed with - have/has + past participle The past participle of agree is agreed so present perfect is have agreed or has agreed. We have agreed to sign the document. She has agreed to sign the document.
Yes.
I think it may be the great compromise.
You shouldn't sign any documents at work that you don't agree with. You legally do not have to sign anything just because they ask you to.
Perfect freedom can intrude on other's "perfect freedom" or utopia. No one could ever agree on what perfect freedom means.
uphold each others' legal documents
uphold each others' legal documents
uphold each others' legal documents
uphold each others' legal documents
Present Perfect TenseI/You/We/They have agreed.He/She/It has agreed.Present Perfect Continuous TenseI/You/We/They have been agreeing.He/She/It has been agreeing.Past Perfect TenseHad agreed.Past Perfect Continuous TenseHad been agreeing.Future Perfect TenseWill have agreed.Future Perfect Continuous TenseWill have been agreeing.