Past Tense of
rationalize
rationalized
Regular -d Addition
📄 Regular form · -d Addition

Base Form Rationalize

11Letters
4Syllables
6Vowels
5Consonants
RStarts
EEnds

Past Tense Rationalized

12Letters
5Syllables
6Vowels
6Consonants
RStarts
DEnds

How to Form the Past Tense of "rationalize"

Verbs ending in -e simply add -d to form the past tense. This is the most straightforward regular rule.

Grammar Tips

  • Words ending in -e only need -d added.

Common Mistakes

  • Do not add -ed to words ending in -e. Use -d only.
Frequently Asked Questions

Is rationalize regular or irregular?

Rationalize is regular. It follows the -d Addition rule.

How do you use rationalized in a sentence?

Use past time markers: "Yesterday, she rationalized to the store."

Does rationalized change in negative sentences?

No. Use "did not rationalize" (not "did not rationalized").

About the past tense of rationalize

The verb rationalize follows the standard English past tense conjugation rule. When forming the past tense, rationalize becomes rationalized. This follows the -d Addition pattern, which is one of the most common conjugation rules in English.

Understanding why rationalize becomes rationalized helps with spelling and pronunciation. Verbs ending in -e simply add -d to form the past tense. This is the most straightforward regular rule.

When using rationalized in writing, remember that it functions as a past tense verb and typically appears with time markers like yesterday, last week, or ago. For example: "Yesterday, she rationalized to the store." The past tense form does not change based on the subject — I rationalized, you rationalized, he/she rationalized, we rationalized, they rationalized.