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