Составьте 15 предложений в Present Perfect по образцу со словосочетаниями с обязательным использованием слов-подсказок (ever, never, yet, already, since, just, for):
Throw rubbish away
Cut the tree
Clean the parks and forest
Stay on the path
Pollute air and water
Например:
(+) I have always dropped the litter
He has/she just dropped the litter
(-) I haven’t dropped the litter
He has a dropped the litter
(?) Have you ever dropped the litter?
Has he ever dropped the litter?

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вопрос Следующий
вопрос

(+) I have never cut the tree in the park.(-) He hasn't cleaned the parks and forest yet.(+) She has already stayed on the path during the nature walk.(-) They haven't polluted the air and water in this area before.(?) Have you ever thrown rubbish away in the park?(+) I have just cut a small branch from a tree in the forest.(-) He hasn't cleaned the parks and forest for a long time.(+) She has already thrown the litter in the trash can.(-) They haven't stayed on the path as instructed.(?) Have you ever polluted the air and water by burning waste?(+) I have never cut down any trees in my backyard.(-) He hasn't thrown away the rubbish properly in the designated bins yet.(+) She has just started cleaning the parks and forest regularly.(-) They haven't stayed on the path in order to protect the fragile ecosystem.(?) Have you ever polluted the air and water knowingly?