must

would

might

should

very big

so big

such a big

such big

couldn’t

shouldn’t

should

could

couldn’t

shouldn’t

can’t

wouldn’t

will spend

have been spending

had spent

in addition

but also

moreover

also

left

had been left

has left

had left

may be

could have

must have been

must be

has cleared

hasn’t been cleared

hasn’t cleared

has to be cleared