Present Simple: I should accept your challenge. Past Simple: I should have accepted your challenge.
The tense is present simple. Present simple question are formed: question word + do + subject + verb when + do + you + wake up
obeyed is simple past.has obeyed is present perfect.obeys is present simple.
Present simple sentences have one verb that is the present tense. To change a past simple sentence into present simple you just have to change the verb into its present form. For example: The dogs chased the cat. -- The verb chased is in the past form The dogs chase the cat. -- The verb chase is in the present form. Both these sentences have a plural subject (dogs). When the subject is singular the verb form for present simple is verb + -s The boy walked to school. -- The verb walked is in the past form The boy walks to school. -- The verb walks is in the present singular form.
The simple tense of accept is "accepted".
You say did not know.I did not know the answer to his question.This sentence is a past simple sentence. The word 'did' (past form of 'do') tells us the sentence is past. The main verb 'know' is a present form this is how you make a negative past simple sentence using 'did'. Another example:They did not eat their lunch. (Main verb is present, 'did' is past form of 'do'.)I do not know the answer to your question.This is a present simple negative sentence. The word 'did' is present. The main verb 'know' is present form.
Simple present - I walk to school. Simple past - I walked to school.
I accept you as you are.
The sentence should be 'He loses you.' = present simple. He lost you. = past simple
The tense is present simple. Present simple question are formed: question word + do + subject + verb when + do + you + wake up
This sentence is a present simple sentence.As a present simple sentence it would mean this (work at the restaurant) is something 'they' do again and again.If the sentence was past simple - They worked at the restaurant at the weekend - then it would mean this action (worked at the restaurant ) is finished, completed.
she loves her parents
obeyed is simple past.has obeyed is present perfect.obeys is present simple.
There is no future tense verb in this sentence. The sentence is present simple (is).
I am putting the pen on the table.
there is no necessary of "s"
each group will prepare a number.
Present simple sentences have one verb that is the present tense. To change a past simple sentence into present simple you just have to change the verb into its present form. For example: The dogs chased the cat. -- The verb chased is in the past form The dogs chase the cat. -- The verb chase is in the present form. Both these sentences have a plural subject (dogs). When the subject is singular the verb form for present simple is verb + -s The boy walked to school. -- The verb walked is in the past form The boy walks to school. -- The verb walks is in the present singular form.