combatted is combat's Past Tense

combat

US [ˈkɑmˌbæt]
UK [ˈkɒmbæt]
  • v.打;(和…)斗争 (with; against);(为…)奋斗
  • n.格斗;战斗;比赛;论战
Plural Form:combats  Past Tense:combated  Past Tense:combatted  Present Participle:combating  
n.
1.
格斗,搏斗;战斗
2.
〈美〉竞赛,比赛
3.
论战
v.
1.
打,战斗;(和...)斗争 (with; against);(为...)奋斗 (for)
2.
反对(不良现象等);防止