| INDICATIVE |  | 
|  Present |  | 
I stem   You stem   He/She/It stems   We stem   You stem   They stem  
  |  Yo atajo  Tu atajas El/Ella/Eso ataja Nosotros atajamos Vosotros atajáis Ellos/Ellas/Esos atajan
  | 
|  Imperfect |  | 
I was steming   You were steming   He/She/It was steming   We were steming   You were steming   They were steming  
  |  Yo atajaba Tu atajabas El/Ella/Eso atajaba Nosotros atajabamos Vosotros atajabais Ellos/Ellas/Esos atajaban
  | 
|  Perfect |  | 
I stemed   You stemed   He/She/It stemed   We stemed   You stemed   They stemed  
  |  Yo atajé Tu atajaste El/Ella/Eso atajó Nosotros atajamos Vosotros atajasteis Ellos/Ellas/Esos atajaron
  | 
|  Perfect |  | 
I have stemed   You have stemed   He/She/It has stemed   We have stemed   You have stemed   They have stemed  
  |  Yo he atajado Tu has atajado El/Ella/Eso ha atajado Nosotros hemos atajado Vosotros habéis atajado Ellos/Ellas/Esos han atajado
  | 
|  PlusPerfect |  | 
I had stemed   You had stemed   He/She/It had stemed   We had stemed   You had stemed   They had stemed  
  |  Yo había atajado Tu habías atajado El/Ella/Eso había atajado Nosotros habíamos atajado Vosotros habíais atajado Ellos/Ellas/Esos habían atajado
  | 
|  Plusperfect |  | 
I had stemed   You had stemed   He/She/It had stemed   We had stemed   You had stemed   They had stemed  
  |  Yo hube atajado Tu hubiste atajado El/Ella/Eso hubo atajado Nosotros hubimos atajado Vosotros hubisteis atajado Ellos/Ellas/Esos hubieron atajado
  | 
|  Future |  | 
I will stem   You will stem   He/She/It will stem   We will stem   You will stem   They will stem  
  |  Yo atajaré Tu atajaras El/Ella/Eso atajará Nosotros atajaremos Vosotros atajareis Ellos/Ellas/Esos atajarán
  | 
|  Future perfect |  | 
I will have stemed   You will have stemed   He/She/It will have stemed   We will have stemed   You will have stemed   They will have stemed  
  |  Yo habré atajado Tu habrás atajado El/Ella/Eso habrá atajado Nosotros habremos atajado Vosotros habréis atajado Ellos/Ellas/Esos habrán atajado
  | 
| SUBJUNTIVE |  | 
|  Present |  | 
I (that )may stem   You (that )may stem   He/She/It (that )may stem   We (that )may stem   You (that )may stem   They (that )may stem  
  |  Yo ataje Tu atajes El/Ella/Eso ataje Nosotros atajemos Vosotros atajéis Ellos/Ellas/Esos atajen
  | 
|  Imperfect |  | 
I (that )might stem   You (that )might stem   He/She/It (that )might stem   We (that )might stem   You (that )might stem   They (that )might stem  
  |  Yo atajara Tu atajaras El/Ella/Eso atajara Nosotros atajáramos Vosotros atajarais Ellos/Ellas/Esos atajaran
  | 
|  Perfect |  | 
I (whether) stemed   You (whether) stemed   He/She/It (whether) stemed   We (whether) stemed   You (whether) stemed   They (whether) stemed  
  |  Yo haya atajado Tu hayas atajado El/Ella/Eso haya atajado Nosotros hayamos atajado Vosotros hayáis atajado Ellos/Ellas/Esos hayan atajado
  | 
|  Pluperfect |  | 
I (whether) had stemed   You (whether) had stemed   He/She/It (whether) had stemed   We (whether) had stemed   You (whether) had stemed   They (whether) had stemed  
  |  Yo hubiera atajado Tu hubieras atajado El/Ella/Eso hubiera atajado Nosotros hubiéramos atajado Vosotros hubierais atajado Ellos/Ellas/Esos hubieran atajado
  | 
| CONDITIONAL |  | 
|  Present |  | 
I would stem   You would stem   He/She/It would stem   We would stem   You would stem   They would stem  
  |  Yo atajaría Tu atajarías El/Ella/Eso atajaría Nosotros atajaríamos Vosotros atajaríais Ellos/Ellas/Esos atajarían
  | 
|  Perfect |  | 
I would have stemed   You would have stemed   He/She/It would have stemed   We would have stemed   You would have stemed   They would have stemed  
  |  Yo habría atajado Tu habrías atajado El/Ella/Eso habría atajado Nosotros habríamos atajado Vosotros habríais atajado Ellos/Ellas/Esos habrían atajado
  | 
| IMPERATIVE |  | 
|  Present |  | 
let me stem   stem   let him stem   let us stem   stem   let them stem  
  |  Yo - Tu ataja  El/Ella/Eso ataje Nosotros atajemos Vosotros atajad Ellos/Ellas/Esos atajen
  | 
| PARTICIPLE |  | 
|  Present |  | 
steming  
  |  que ataja
  | 
|  Perfect |  | 
stemed  
  |  atajado
  | 
| INFINITIVE |  | 
|  Present |  | 
to stem  
  |  atajar
  | 
|  Perfect |  | 
have stemed  
  |  haber atajado
  | 
| GERUND |  | 
|  Present |  | 
steming  
  |  atajando
  | 
|  Perfect |  | 
having stemed  
  |  habiendo atajado
  |