パターンがあるはずだ。の英語

There should be a pattern.

the state of having a design or pattern

a hideous pattern of injustice

make knotted patterns

a clear-cut pattern

conform to a metrical pattern

having a pattern of dots

The design is simple and chaste.

archetypal patterns

something that is decorated with a pattern

the state of having a striped pattern

The state of affairs are improving

Things are taking a turn for the better

Things are taking a favourable turn.

The state of things are mending

produce a mottled effect

make a veinlike pattern

having patterns (especially colorful patterns)

something that is striped

irregular patterns

Things are taking a turn for the worse

Things are taking an unfavourable turn.

carve a pattern into

a design pattern called parallel crosses

the position of a decorative pattern on a piece of cloth

a splashed pattern called {'kasuri-moyo'}

a kind of pattern called a striped pattern

a design in which the pattern is widely scattered

fanciful design

in arabesque