Past Simple Tense

Past tense of "eat" is ___

Past tense of "drink" is _____

Past tense of "swim" is ____

Past tense of "run" is ___

Past tense of "drive" is _____

Past tense of "sleep" is _____

Past tense of "read" is ____

Past tense of "go" is ____

Past tense of "sing" is ____

Past tense of "have" is ___