The past tense of instimulate is instimulated. See all forms of instimulate with easy examples.
The past tense of institutionalise is institutionalised. See all forms of institutionalise with easy examples.
The past tense of instill is instilled. See all forms of instill with easy examples.
The past tense of instigate is instigated. See all forms of instigate with easy examples.
The past tense of instaurate is instaurated. See all forms of instaurate with easy examples.
The past tense of instaure is instaured. See all forms of instaure with easy examples.
The past tense of instate is instated. See all forms of instate with easy examples.
The past tense of insteep is insteeped. See all forms of insteep with easy examples.
The past tense of instamp is instamped. See all forms of instamp with easy examples.
The past tense of instar is instarred. See all forms of instar with easy examples.