conocer

• (yo) conocí
• (tú) conociste
• usted, él/ella conoció

to know

• I met (for the first time)
• you met (for the first time)
• you, he/she/it met (for the first time)

poder

• (yo) pude
  • (yo) no pude
• (tú) pudiste
  • (tú) no pudiste
• usted, él/ella pudo
  • usted, él/ella no pudo

to be able; can

• I could and did
  • I tried and couldn't
• you could and did
  • you tried and couldn't
• you, he/she/it could and did
  • you, he/she/it tried and couldn't

querer

• (yo) quise
  • (yo) no quise
• (tú) quisiste
  • (tú) no quisiste
• usted, él/ella quiso
  • usted, él/ella no quiso

to want

• I wanted to and tried
  • I refused
• you wanted to and tried
  • you refused
• you, he/she/it wanted to and tried
  • you, he/she/it refused

saber

• (yo) supe
  • (yo) no supe
• (tú) supiste
  • (tú) no supiste
• usted, él/ella supo
  • usted, él/ella no supo

to know

• I found out
  • I never found out
• you found out
  • you never found out
• you, he/she/it found out
  • you, he/she/it never found out

tener

• (yo) tuve
• (tú) tuviste
• usted, él/ella tuvo

to have

• I got; received
• you got; received
• you, he/she/it got; received