'Expressed' is past tense.
The past tense of express is expressed.
Expressed
Present tense. The future in English is not expressed by a form of the verb.
Big is not a verb, it is an adjective. Therefore it has no tense, past or present. Big is just big. The dog is big. (present tense) The dog was big. (past tense) The tense is expressed in the verb.
Expression is a noun.
it can be a mood, it is also a part of a verb implying time or the nature of the action expressed by a verb
Opined means you have expressed your opinion. It is past tense of opine.
"Tense" in grammar is a formal characteristic of verbs, usually expressed by alternative forms of the verbs by inflection of the root form of a verb and/or compounding the root form with at least one additional word. In English, tense indicates the following characteristics of the meaning of verbs: 1. The time, compared to the time of speaking or writing, of the action or state of being expressed by the verb, that is, present, past, or future. 2. Whether the action or state of being described in item 1 above is, at the time stated in item 1: complete, as in a perfect tense; definitely ongoing, as in a progressive tense; or may be either complete or ongoing, as in a simple tense. 3. Whether the action is definite, as in a simple tense, or only possible, as in a conditional tense.
"Prior to" can be expressed in the past tense as "before" or "previously." For example, "She had completed the project prior to the deadline" can be rephrased as "She had completed the project before the deadline."
In present continuous tense, "want" would be expressed as "am/is/are wanting." For example, "I am wanting to go to the movies tonight" or "She is wanting a new car." This tense indicates that the action of wanting is happening in the current moment.
"Por fin me entiendes", or "Finalmente me entiendes". Often expressed in the past tense, as in "Por fin me entendiste".
tense