помогите найти глаголы сказуемые и определить временную форму - вопрос №2357005

Primitive man did not grow plants.
did not grow-Past Simple

He lived on leaves, roots, seeds, berries, and fruits.
lived-Past Simple

Crop production began when man started to cultivate plants.
began-Past Simple
started to cultivate-Past Simple+Infinitive

The early farmer cultivated a limited number of crops, but he grew some grain crops which the farmer grows at present.
cultivated-Past Simple
grew-Past Simple
grows-Present Simple

All important farm crops originated from wild species.
originated-Past Simple

Science helped, helps and will help to increase yields of crops.
helped-Past Simple
helps-Present Simple
will help to increase-Future Simple+ Infinitive

Findings in field and laboratory research are leading to new recommendations.
are leading- Present Continuous

The farmer who follows the most efficient practices will get higher yields.
follows-Present Simple
will get-Future Simple

The plant grower who 11 still farms as his father did when he was a boy is the farmer who does not and will not get high yields of crops.
did-Past Simple
was-Past Simple
is-Present Simple
does not (get)-Present Simple
will not get-Future Simple