what if I + what, past tense or present tense?
17975
Why is it "If I were you" and not "If I was you"?
86986
Using What and Which
102424
Between you and ("me" or "I")?
49506
Can I use a present-tense verb when writing about a past event?
98584
English Conditionals and "would"
19580
Could have vs would have
156031
When a sentence includes a word like 'today' that indicates present time, can a past form of verb be used?
89834
"I who has" vs "I who have."
120012
Future tense in conditional clauses
33742
Does using "did" to form the past tense make a difference?
121795
What is the difference between 'past' and 'present perfect;?
98035
When do I use "was" and when do I use "were"
142048
Conditionals (Past Tense)
80126
Contraction of "I was"?
124313
Tenses to refer to the future
127184
Present-perfect-tense vs. Simple-past-tense
132807
What is the historic present tense?