Past Tense of
disease
diseased
Regular -d Addition
📄 Regular form · -d Addition

Base Form Disease

7Letters
2Syllables
4Vowels
3Consonants
DStarts
EEnds

Past Tense Diseased

8Letters
3Syllables
4Vowels
4Consonants
DStarts
DEnds

How to Form the Past Tense of "disease"

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 disease regular or irregular?

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

How do you use diseased in a sentence?

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

Does diseased change in negative sentences?

No. Use "did not disease" (not "did not diseased").

About the past tense of disease

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

Understanding why disease becomes diseased 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 diseased 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 diseased to the store." The past tense form does not change based on the subject — I diseased, you diseased, he/she diseased, we diseased, they diseased.