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The past tense of "fall" is "fell", and the past participle is "fallen".
The past tense of "know" is "knew", and the past participle is "known".
The past tense of "hear" is "heard" and the past participle is also "heard."
The past tense of "lead" is "led," and the past participle is also "led."
The past participle of "run" is "run", and the past tense is "ran".
The past tense of "grow" is "grew" and the participle is "grown."
The past tense of "fall" is "fell", and the past participle is "fallen".
The past tense of "know" is "knew", and the past participle is "known".
The past tense of "hear" is "heard" and the past participle is also "heard."
The past tense of "lead" is "led," and the past participle is also "led."
The past participle of "run" is "run", and the past tense is "ran".
Past tense of "wear" is "wore." The past participle is "worn."
The past tense of "build" is "built" and the past participle is also "built."
"Giggling" is a present participle form of the verb "giggle." In this context, it is functioning as a gerund, which is a verbal noun. Gerunds can act as subjects, objects, or complements in a sentence.
"deal"
The past participle of "steal" is "stolen." The past tense of "steal" is also "stole."
sructure of the present tence and its meaning