When was the "do form" introduced in the English language?
3742
What is the origin of auxiliary verbs?
109270
How did the use of "could of" and "should of" originate, and is it considered correct?
17796
"did shoot" vs "shot"
89074
How and when did American spelling supersede British spelling in the US?
131619
"Do" replacing "Please"
104245
did + present tense (or ) Past tense of the verb
129391
"Decimate": has it been used in the "classic" sense in modern writing?
96536
When did "while" and "whilst" become interchangeable?
45316
When and how did "pretty" enter English as an intensifying adverb?
56556
"See somebody do" and "see somebody doing"
82036
Origins of possessive pronouns
124267
Is there an Extended Backus–Naur form (EBNF) that covers all of English?
26184
Why do we use the base form of verbs instead of the past form in past tense questions?
62453
Does/do+personal pronoun+verb
17850
"Assist someone do" vs. "assist someone to do (or "in/with" doing)"
107154
History of notation: "!"
146208
Is action really required on forms?