You add -ed because plant is a regular verb.
-ed is added to all regular verbs to form the past tense.
In English, forming the past tense of regular verbs typically involves adding "-ed" to the base form of the verb. Some irregular verbs have different past tense forms. Remember to be consistent with verb tenses in your writing to ensure clarity and accuracy.
This verb is regular-- just add ed to make it past tense.
The past tense of add is added.
The past tense of sort is sorted.Sort is a regular verb so you just add -ed to make the past tense = sorted.
Yes, founded is the past tense of found (to establish).
Concentrate is a regular verb so you add -ed to make the past tense = concentrated
The past tense of produce is produced. It's a regular verb so add -ed to make the past.
Compressed? Just add -ed at the end to make the past tense, like for most words.
Amuse is a regular verb so add -ed to make the past tense - amused
Work is a regular verb so add -ed to make the past tense -- worked
Watch is a regular verb so you add -ed to make the past tense = watched
Tail is a regular verb so add -ed to make the past tense and the past participle. tail / tailed / tailed