The past tense of "to occur" is occurred.
Some examples: Past tense - worked. Future tense - will work. Past tense - played. Future tense - will play. Past tense - lied. Future tense - will lie.
Tired is an adjective it doesn't have a past tense.
Enthusiasm is a noun and doesn't have a past tense. Only verbs have a past tense.
Lost is the past tense of lose.
The past tense of shake is shook, not shaken.
"Shook" is the past tense of the verb, "to shake".
The past perfect tense of shake is had shaken.
'Shook' is past tense.(of SHAKE).
Present tense: will shake Past tense: shook Future tense: will shake
The past tense of "shake" is "shook."
The past tense of "shake" is "shook."
shook The present perfect tense is "I have shaken".
The past tense of the verb "shake" is "shook."
"shook hands" is the past tense of "shake hands".
The simple past tense is shook. The past participle is shaken.
The past tense is "you shook hands"