Conjugation of the verb "investigate"
Conjugation of the verb investigate[ɪnˈvestɪɡeɪt],
regular 
Indicative
Present Indefinite
Present Continuous
Present Perfect
Present Perfect Continuous
Past Indefinite
Past Continuous
Past Perfect
Past Perfect Continuous
Future Indefinite
Future Continuous
Future Perfect
Future Perfect Continuous
Indicative
Present Indefinite
I don't investigateyou don't investigate
he/she/it doesn't investigate
we don't investigate
you don't investigate
they don't investigate
Present Continuous
I am not investigatingyou aren't investigating
he/she/it isn't investigating
we aren't investigating
you aren't investigating
they aren't investigating
Present Perfect
I haven't investigatedyou haven't investigated
he/she/it hasn't investigated
we haven't investigated
you haven't investigated
they haven't investigated
Present Perfect Continuous
I haven't been investigatingyou haven't been investigating
he/she/it hasn't been investigating
we haven't been investigating
you haven't been investigating
they haven't been investigating
Past Indefinite
I didn't investigateyou didn't investigate
he/she/it didn't investigate
we didn't investigate
you didn't investigate
they didn't investigate
Past Continuous
I wasn't investigatingyou weren't investigating
he/she/it wasn't investigating
we weren't investigating
you weren't investigating
they weren't investigating
Past Perfect
I hadn't investigatedyou hadn't investigated
he/she/it hadn't investigated
we hadn't investigated
you hadn't investigated
they hadn't investigated
Past Perfect Continuous
I hadn't been investigatingyou hadn't been investigating
he/she/it hadn't been investigating
we hadn't been investigating
you hadn't been investigating
they hadn't been investigating
Future Indefinite
I shan't / won't investigateyou won't investigate
he/she/it won't investigate
we shan't / won't investigate
you won't investigate
they won't investigate
Future Continuous
I shan't / won't be investigatingyou won't be investigating
he/she/it won't be investigating
we shan't / won't be investigating
you won't be investigating
they won't be investigating
Future Perfect
I shan't / won't have investigatedyou won't have investigated
he/she/it won't have investigated
we shan't / won't have investigated
you won't have investigated
they won't have investigated
Future Perfect Continuous
I shan't / won't have been investigatingyou won't have been investigating
he/she/it won't have been investigating
we shan't / won't have been investigating
you won't have been investigating
they won't have been investigating
Indicative
Present Indefinite
Present Continuous
Present Perfect
Present Perfect Continuous
Past Indefinite
Past Continuous
Past Perfect
Past Perfect Continuous
Future Indefinite
Future Continuous
Future Perfect
Future Perfect Continuous
Conditional
Conditional Present
Conditional Present Continuous
Conditional Perfect
Conditional Perfect Continuous
Conditional
Conditional Present
I wouldn't investigateyou wouldn't investigate
he/she/it wouldn't investigate
we wouldn't investigate
you wouldn't investigate
they wouldn't investigate
Conditional Present Continuous
I wouldn't be investigatingyou wouldn't be investigating
he/she/it wouldn't be investigating
we wouldn't be investigating
you wouldn't be investigating
they wouldn't be investigating
Conditional Perfect
I wouldn't have investigatedyou wouldn't have investigated
he/she/it wouldn't have investigated
we wouldn't have investigated
you wouldn't have investigated
they wouldn't have investigated
Conditional Perfect Continuous
I wouldn't have been investigatingyou wouldn't have been investigating
he/she/it wouldn't have been investigating
we wouldn't have been investigating
you wouldn't have been investigating
they wouldn't have been investigating
Conditional
Conditional Present
Conditional Present Continuous
Conditional Perfect
Conditional Perfect Continuous
Participles
Present
Past
Infinitives
Infinitives
Popular English Verbs
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