| INDICATIVE |  | 
|  Present |  | 
I quadruple   You quadruple   He/She/It quadruples   We quadruple   You quadruple   They quadruple  
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|  Imperfect |  | 
I was quadrupling   You were quadrupling   He/She/It was quadrupling   We were quadrupling   You were quadrupling   They were quadrupling  
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|  Perfect |  | 
I quadrupled   You quadrupled   He/She/It quadrupled   We quadrupled   You quadrupled   They quadrupled  
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 | 
|  Perfect |  | 
I have quadrupled   You have quadrupled   He/She/It has quadrupled   We have quadrupled   You have quadrupled   They have quadrupled  
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|  PlusPerfect |  | 
I had quadrupled   You had quadrupled   He/She/It had quadrupled   We had quadrupled   You had quadrupled   They had quadrupled  
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|  Plusperfect |  | 
I had quadrupled   You had quadrupled   He/She/It had quadrupled   We had quadrupled   You had quadrupled   They had quadrupled  
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|  Future |  | 
I will quadruple   You will quadruple   He/She/It will quadruple   We will quadruple   You will quadruple   They will quadruple  
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|  Future perfect |  | 
I will have quadrupled   You will have quadrupled   He/She/It will have quadrupled   We will have quadrupled   You will have quadrupled   They will have quadrupled  
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| SUBJUNTIVE |  | 
|  Present |  | 
I (that )may quadruple   You (that )may quadruple   He/She/It (that )may quadruple   We (that )may quadruple   You (that )may quadruple   They (that )may quadruple  
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|  Imperfect |  | 
I (that )might quadruple   You (that )might quadruple   He/She/It (that )might quadruple   We (that )might quadruple   You (that )might quadruple   They (that )might quadruple  
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 | 
|  Perfect |  | 
I (whether) quadrupled   You (whether) quadrupled   He/She/It (whether) quadrupled   We (whether) quadrupled   You (whether) quadrupled   They (whether) quadrupled  
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 | 
|  Pluperfect |  | 
I (whether) had quadrupled   You (whether) had quadrupled   He/She/It (whether) had quadrupled   We (whether) had quadrupled   You (whether) had quadrupled   They (whether) had quadrupled  
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| CONDITIONAL |  | 
|  Present |  | 
I would quadruple   You would quadruple   He/She/It would quadruple   We would quadruple   You would quadruple   They would quadruple  
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 | 
|  Perfect |  | 
I would have quadrupled   You would have quadrupled   He/She/It would have quadrupled   We would have quadrupled   You would have quadrupled   They would have quadrupled  
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| IMPERATIVE |  | 
|  Present |  | 
let me quadruple   quadruple   let him quadruple   let us quadruple   quadruple   let them quadruple  
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| PARTICIPLE |  | 
|  Present |  | 
quadrupling  
  |  
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|  Perfect |  | 
quadrupled  
  |  
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| INFINITIVE |  | 
|  Present |  | 
to quadruple  
  |  
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|  Perfect |  | 
have quadrupled  
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| GERUND |  | 
|  Present |  | 
quadrupling  
  |  
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|  Perfect |  | 
having quadrupled  
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