"was" or "were" when there is number mismatch between subject and predicative complement
246
Agreement in "[Singular Noun] Is/Are [Plural Noun]"?
15983
"That was me" vs. "That was I"
13672
Classification - There is/are
122722
Can you treat a prepositional phrase as the subject?
105201
" could " vs. " could have "
107172
Countable nouns and determiners
48296
The subject of "and" in a compound statement
3140
Is this an objective complement or adjective phrase?
112146
Should I use 'is' or 'are' with this complex subject?
70600
“What I saw was…” vs “What I saw were…”
25545
Plurality of verb depending on plurality of list elements
20627
Subject/Complement Agreement. How to describe problem with "The thing is the objects."
68762
Subject vs. Object marking for whoever?
153325
Singular or plural verb for compound subject?
43743
What form of the verb is used with compound subjects containing "or"?
87312
Using 'is' or 'was' when something is still true
128094
Using "was" vs "were" for "as if"