The past tense of infix is infixed. See all forms of infix with easy examples.

The past tense of infilm is infilmed. See all forms of infilm with easy examples.

The past tense of infiltrate is infiltrated. See all forms of infiltrate with easy examples.

The past tense of infilter is infiltered. See all forms of infilter with easy examples.

The past tense of infirm is infirmed. See all forms of infirm with easy examples.

The past tense of infill is infilled. See all forms of infill with easy examples.

The past tense of infibulate is infibulated. See all forms of infibulate with easy examples.

The past tense of infeudate is infeudated. See all forms of infeudate with easy examples.

The past tense of infield is infielded. See all forms of infield with easy examples.

The past tense of infile is infiled. See all forms of infile with easy examples.