The past tense is should. e.g. I should have known better.
NO!!! It is the past tense of the verb 'to have'. Present tense I have You have He/she/they have Past Tense I Had You had He/she/they had Future Tense I shall have You will have He/she/they will have Not the use of 'shall/will'
The past tense of sentence is "sentenced".
NO!!!! They are both future tense. Correctly used it is ;- I/we shall (1st person ) You/he/she/they will (2nd/3rd person). However, many people do incorrectly interchange 'will/shall'.
What was the past tense for this sentence.
Shall is an auxiliary verb, that is it is used before and in conjunction with another verb, as in, ...shall go... or ...shall be. The past tense of shall is shouldand is typically used with another auxiliary verb such as have, as in, ...should have gone... or ...should have been.
Shall is an auxiliary verb and should used to be the past form but now there seems to be little connection between the two verbs.
You convert a sentence in the present tense to a sentence in the past tense by simply changing the verb form to the past tense. You converted a sentence in the present tense to a sentence in the past tense by simply changing the verb form to the past tense.
No it doesn't have to be past tense.
Should is the past tense of the verb shall.
The sentence is written in the past tense as it tells you what she did.
The tense in the sentence "the teacher put the book on the table" is past tense. The verb "put" indicates that the action happened in the past.
There is no past tense for played because played is the past tense for play. For example: In the sentence: "She loves to play with her doll." - play is present tense In the sentence: "She played with her doll". - played is past tense