Simple Past

If base form ends in -y, change (y) yo (i) and add -ed TRY

Simple Past

If base form ends in -e, just add -d PROVE

Simple Past: Irregular Verbs

Base form

Also called the simple form. There are no endings (-s,-es,-d,-ed) on the base form

It PROVED her theory was correct

Their simple past form is not made by adding -d or -ed.

Inventors TRIED to find a way

Use SP to talk about actions that happened in the past.