Present tense I strike You strike He/she/it strikes We strike You strike They strike
Present perfect I have struck/stricken You have struck/stricken He/she/it has struck/stricken We have struck/stricken You have struck/stricken They have struck/stricken
Past Tense I/You/He,she,it/We/You/They struck
Past Perfect I/You/He,she,it/We/You/They had struck/stricken