Irregular Verbs
To Have To Have Present Past Future I (Singular) Have Had Will have You (Singular/Plural) He/She/It (Singular) Has We (Plural) They (Plural) Have is important for the perfect tenses
You (Singular/Plural) To Be To Have Present Past Future I (Singular) Am Was Will be You (Singular/Plural) Are Were He/She/It (Singular) Is We (Plural) They (Plural) Perfect Simple Had seen Have seen Will have seen Perfect Simple Had been Have been Will have been
You (Singular/Plural) To Go To Have Present Past Future I (Singular) Go Went Will go You (Singular/Plural) He/She/It (Singular) Goes We (Plural) They (Plural) Perfect Simple Had seen Have seen Will have seen Perfect Simple Had gone Have gone Will have gone
You (Singular/Plural) To See To Have Present Past Future I (Singular) See Saw Will see You (Singular/Plural) He/She/It (Singular) Sees We (Plural) They (Plural) Perfect Simple Had seen Have seen Will have seen Perfect Simple Had seen Have seen Will have seen
You (Singular/Plural) To Begin To Have Present Past Future I (Singular) Begin Began Will begin You (Singular/Plural) He/She/It (Singular) Begins We (Plural) They (Plural) Perfect Simple Had seen Have seen Will have seen Perfect Simple Had begun Have begun Will have begun
You (Singular/Plural) To Eat To Have Present Past Future I (Singular) Eat Ate Will eat You (Singular/Plural) He/She/It (Singular) Eats We (Plural) They (Plural) Perfect Simple Had seen Have seen Will have seen Perfect Simple Had eaten Have eaten Will have eaten
You (Singular/Plural) To Drive To Have Present Past Future I (Singular) Drive Drove Will drive You (Singular/Plural) He/She/It (Singular) Drives We (Plural) They (Plural) Perfect Simple Had seen Have seen Will have seen Perfect Simple Had driven Have driven Will have driven
You (Singular/Plural) To Get To Have Present Past Future I (Singular) Get Got Will get You (Singular/Plural) He/She/It (Singular) Gets We (Plural) They (Plural) Perfect Simple Had seen Have seen Will have seen Perfect Simple Had gotten Have gotten Will have gotten
You (Singular/Plural) To Give To Have Present Past Future I (Singular) Give Gave Will give You (Singular/Plural) He/She/It (Singular) Gives We (Plural) They (Plural) Perfect Simple Had seen Have seen Will have seen Perfect Simple Had given Have given Will have given
You (Singular/Plural) To Know To Have Present Past Future I (Singular) Know Knew Will know You (Singular/Plural) He/She/It (Singular) Knows We (Plural) They (Plural) Perfect Simple Had seen Have seen Will have seen Perfect Simple Had known Have known Will have known
You (Singular/Plural) To Take To Have Present Past Future I (Singular) Take Took Will take You (Singular/Plural) He/She/It (Singular) Takes We (Plural) They (Plural) Perfect Simple Had seen Have seen Will have seen Perfect Simple Had taken Have taken Will have taken
You (Singular/Plural) To Choose To Have Present Past Future I (Singular) Choose Chose Will choose You (Singular/Plural) He/She/It (Singular) We (Plural) They (Plural) Perfect Simple Had seen Have seen Will have seen Perfect Simple Had chosen Have chosen Will have chosen
You (Singular/Plural) To Drink To Have Present Past Future I (Singular) Drink Drunk Will drink You (Singular/Plural) He/She/It (Singular) Drinks We (Plural) They (Plural) Perfect Simple Had seen Have seen Will have seen Perfect Simple Had drunk Have drunk Will have drunk This is different than “I am drunk”
You (Singular/Plural) To Speak To Have Present Past Future I (Singular) Speak Spoke Will speak You (Singular/Plural) He/She/It (Singular) Speaks We (Plural) They (Plural) Perfect Simple Had seen Have seen Will have seen Perfect Simple Had spoken Have spoken Will have spoken
You (Singular/Plural) To Wear To Have Present Past Future I (Singular) Wear Wore Will wear You (Singular/Plural) He/She/It (Singular) Wears We (Plural) They (Plural) Perfect Simple Had seen Have seen Will have seen Perfect Simple Had worn Have worn Will have worn
You (Singular/Plural) To Write To Have Present Past Future I (Singular) Write Wrote Will write You (Singular/Plural) He/She/It (Singular) Writes We (Plural) They (Plural) Perfect Simple Had seen Have seen Will have seen Perfect Simple Had written Have written Will have written
Other Common Irregular Verbs Bring, Brought Buy, Bought Feel, Felt Find, Found Hear, Heard Leave, Left Lose, Lost Make, Made Meet, Met Read, Read (pronounced red) Say, Said Sleep, Slept Tell, Told Think, Thought Write, Wrote