The past tense of hydrogenate is hydrogenated. See all forms of hydrogenate with easy examples.

The past tense of hydrodesulfurize is hydrodesulfurized. See all forms of hydrodesulfurize with easy examples.

The past tense of hydroentangle is hydroentangled. See all forms of hydroentangle with easy examples.

The past tense of hydrogenize is hydrogenized. See all forms of hydrogenize with easy examples.

The past tense of hydrogenise is hydrogenised. See all forms of hydrogenise with easy examples.

The past tense of hybridise is hybridised. See all forms of hybridise with easy examples.

The past tense of hydrocrack is hydrocracked. See all forms of hydrocrack with easy examples.

The past tense of hybridize is hybridized. See all forms of hybridize with easy examples.

The past tense of hydrate is hydrated. See all forms of hydrate with easy examples.

The past tense of hybernate is hybernated. See all forms of hybernate with easy examples.