take, took, taken;
put, put, put;
tell, told, told;
give, gave, given;
read, read, read;
keep, kept, kept
begin, began, begun;
let, let, let;
hear, heard, heard;
cut, cut, cut;
eat, ate, eaten *;
run, ran, run
bring, brought, brought;
become, became, become;
grow, grew, grown;
draw, drew, drawn;
show, showed, shown;
mean, meant, meant
* Note that I clearly pronounced the “t” in “eaten.”
Sometimes people don’t, especially when speaking at a normal speed.