Verbs ending in -e simply add -d to form the past tense. This is the most straightforward regular rule.
Hypothesise is regular. It follows the -d Addition rule.
Use past time markers: "Yesterday, she hypothesised to the store."
No. Use "did not hypothesise" (not "did not hypothesised").
The verb hypothesise follows the standard English past tense conjugation rule. When forming the past tense, hypothesise becomes hypothesised. This follows the -d Addition pattern, which is one of the most common conjugation rules in English.
Understanding why hypothesise becomes hypothesised 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 hypothesised 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 hypothesised to the store." The past tense form does not change based on the subject — I hypothesised, you hypothesised, he/she hypothesised, we hypothesised, they hypothesised.