What is the past tense of learn?
94930
Past tense: learned/learnt, dreamed/dreamt?
14620
How to correctly use the present perfect tense
55425
Tense for an event that occurs as you read it
122234
How to choose tenses in story telling?
14603
Is "must" ever grammatical as a past tense verb?
156031
When a sentence includes a word like 'today' that indicates present time, can a past form of verb be used?
40839
Difference between Present Perfect and Past Simple ( I am not a beginner )
157375
Had been/have been... tenses agreement
153477
Present Perfect Usage of "Think" for Recent Past
104245
did + present tense (or ) Past tense of the verb
142048
Conditionals (Past Tense)
73018
To tell about a guess about a case in the past, why use "would+have+past participle" instead of "must+have+past participle?
118206
Simple past vs. past perfect
25208
Speculative conditional: Why does it use the past tense or past perfect tense?
33742
Does using "did" to form the past tense make a difference?
147979
What's a word for knowing something from experience?
121795
What is the difference between 'past' and 'present perfect;?