Zero and First Conditionals

If you ______ seeds in spring, they ______ in summer.

• plant / grow
• plants / grew
• planted / will grow
• will plant / will grow

Answer explanation

Present Simple + Present Simple

If the sun ______ all day, the crops ______ well.

• shines / grow
• shine / grows
• shone / will grow
• shining / grew

Answer explanation

Zero: general truth, both verbs in present

If cows ______ grass, they ______ milk.

• eat / produce
• ate / produces
• eats / will produce
• eating / produced

Answer explanation

Present habits → both in present simple

If farmers ______ their tools, they ______ longer.

• clean / last
• cleaned / lasts
• clean / lasting
• cleans / last

Answer explanation

General truth about tools

If the soil ______ dry, plants ______ water.

• is / need
• will be / will need
• was / needing
• are / needs

Answer explanation

Condition and result are always true

If chickens ______ every day, farmers ______ more eggs.

• lay / get
• lays / gets
• laying / getting
• will lay / will get

Answer explanation

Habitual event in farming

If you ______ too much fertilizer, it ______ the plants.

• use / harms
• uses / harm
• used / harmed
• use / harming

Answer explanation

Overuse causes negative effect – general fact

If the tractor ______, the farmer ______ it.

• breaks / fixes
• broke / fix
• breaking / will fix
• broke / fixes

Answer explanation

Immediate, expected response (routine)

If it ______ too hot, animals ______ to the shade.

• gets / go
• get / going
• got / will go
• getting / goes

Answer explanation

Daily behavior of animals

If rain ______ often, plants ______ healthy.

• falls / stay
• fall / stays
• fell / will stay
• falling / staying

Answer explanation

Regular natural cycle