Past tenses

• Irregular past tense verbs do not follow the regular pattern of adding "-ed" to the base form of the verb.
• Regular past tense verbs are formed by adding "-ed" to the base form of the verb.
• The past simple is used to describe actions that happened once in the past.
• The present perfect is used when we want to emphasize that an action has been completed at some point in time, but its exact timing is unimportant or unknown.
• The past continuous is used to show an action happening at a specific time in the past.
• The present perfect is used to talk about completed actions or events up until now.
• The past continuous is used to show that something was happening continuously during another event in the past.
• The present perfect continuous is used to express ongoing activities over a period of time, often with "for" or "since".
• The past perfect is used to indicate that something was done earlier than another event in the past.