For the verb to think, the two are the same.
The past tense is thought. The past participle is thought.
Past: He thought about leaving.
Past Perfect: He had thought about leaving.
The past tense of "think" is "thought." The past participle of "think" is also "thought."
The past tense and the past participle of think are the same: thought.
The past tense of "forget" is "forgot" and the past participle is "forgotten."
The past tense is was or were.The past participle is been.
Present tense: lead Present participle: leading Past tense: led Past participle: led
The past tense of "being" is "was" and the past participle is "been."
The past tense and the past participle of think are the same: thought.
The past tense is was or were.The past participle is been.
The past tense of "forget" is "forgot" and the past participle is "forgotten."
The past tense of "being" is "was" and the past participle is "been."
The past tense of "has" is "had" and the past participle is also "had."
Present tense: lead Present participle: leading Past tense: led Past participle: led
The past tense and past participle are both had.
The past tense of "be" is "was" for singular subjects and "were" for plural subjects. The past participle is "been."
The past tense of "have" is "had" and the past participle is also "had."
All verbs have a past tense form and a past participle form. For regular verbs, the past tense and past participle ends in -ed.Example:walk (present tense) walked (past tense and past participle)Irregular verb do not have the -ed ending.Example:run (present tense) ran (past tense) run (past participle)
The past tense of "begin" is "began" and the past participle is "begun."
The past participle is done. The simple past tense is did. The present participle is doing.