Collocations for modest - adj.

be, look, remain, seem

extremely, fairly, very, etc.
genuinely
falsely
She would be falsely modest not to acknowledge that she had come a very long way since those early days.

about
He is modest about his achievements.

be, seem
Our requirements seem fairly modest.

extremely, fairly, very, etc.
comparatively, relatively
He is looking to improve on his relatively modest achievements so far.

apparently
surprisingly

in
The new homes are modest in scale, but very comfortable.

Modest is used with these nouns:
aim, ambition, breakfast, budget, circumstance, comfort, contribution, decline, decrease, degree, dwelling, effect, expectation, expenditure, extension, fall, fee, flat, gain, goal, growth, home, house, improvement, income, increase, investment, means, number, outlay, premises, profit, programme, proportion, proposal, quantity, recovery, reduction, reform, return, rise, salary, scale, share, size, success, sum, target