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may clean must clean need be cleaned can be cleaned
we can’t find can’t we find can we find we can find
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we can find it can we find it can find we it we can it find
factories and clouds cars and oil smoke and fumes waste burned on ocean floors
what can we do where we can go how can we go there if it will be open
may clean must clean need be cleaned can be cleaned
Must; needn’t; may Must; mustn’t; can Shall; can’t; must Need; mustn’t; may
What a shame! Yes, it isn’t clean at all. Yes, we can’t bathe herE. No, Let’s have a try.
increase reduce produce make
what can we find the way to the museum how we can find the way to the museum which can we find the way to the museum where we can find the way to the museum
Must; needn’t; may Must; mustn’t; can. Shall; can’t; must Need; mustn’t; may
what can we do where we can go how can we go there if it will be open
They go only a short way. They are easier to keep clean. Electric power has no smoke. Electric cars need no energy.
may clean must clean need be cleaned can be cleaned
They go only a short way. They are easier to keep clean. Electric power has no smoke. Electric cars need no energy.
we can find it can we find it can find we it we can it find
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