类别 全部 - advice - past - idea - present

作者:chiara.vico chiara 1 年以前

153

SHOULD SHOULDN'T

The use of "should" and "shouldn't" is essential for providing guidance on actions one believes to be right or wrong. In the past tense, "should have" and "shouldn't have" combined with a past participle express reflections on past decisions—

SHOULD
SHOULDN'T

SHOULD SHOULDN'T

Tenses demonstrate the time of actions centered around the subject of the sentence. These actions are called verbs and change according to tenses.

SHOULD/SHOULDN'T HAVE + PAST PARTICIPLE

There are four Future tenses:

Soggetto + shouldn't have + past participle
I/you/he/she/we/they shouldn't have used so much plastic in the past
We use shouldn’t have + past participle when we think something (in the past) wasn’t a good idea, but we did it anyway.

Future Perfect Simple is used for:


Some adverbs used with Past Perfect Continuous for future actions:

Soggetto + should have + past participle

Future Perfect Simple is used for:


Adverb used with Future Continuous:

I/you/he/she/we/they should have used less plastic in the past

Structure:

Will + Subject + Have + Past Participle?

e.g. Will you have met your colleague by this time tomorrow?

We use should have + past participle when we think that something (in the past) was a good idea, but we didn’t do it.

Future Continuous is used:


Adverb used with Future Continuous:

SHOULD/SHOULDN'T +BASE FORM

There are four Present tenses:

PRESENT

Present Perfect Continuous is used:


Some adverbs used with Present Perfect Continuous:

Interrogative form (Should + soggetto + base form)

Structure:

Have/ has + Subject + been Verb-ING?

e.g. How long has he been learning German?

Should I/you/he/she/it/we/you/they buy more local food?

Type in your own examples or you can also choose from the examples below.

Form of word "to be":

Have I been being?Have you been being?Has he/she/it been being?Have we been being?Have you been being?Have they been being?


Form of word "to have":

Have I been having?Have you been having?Has he/she/it been having?Have we been having?Have you been having?Have they been having?
Negative form (soggetto + shouldn't + base form)

Structure:

Subject + haven’t/hasn’t been + Verb-ING

e.g. She hasn’t been playing tennis for a long time.

I/you/he/she/it/we/you/they shouldn't always buy pre-packaged products

Type in your own examples or you can also choose from the examples below.

Form of word "to be":

I have not been beingYou have not been beingHe/She/It has not been beingWe have not been beingYou have not been beingThey have not been being


Form of word "to have":

I have not been havingYou have not been havingHe/She/It has not been havingWe have not been havingYou have not been havingThey have not been having
Affirmative form (soggetto + should + base form)

Structure:

Subject + have/ has been + Verb-ING

e.g. They have been learning French for two years.

I/you/he/she/it/we/you/they should buy more local food

Type in your own examples or you can also choose from the examples below.

Form of verb 'to be':

I have been beingYou have been beingHe/She/It has been beingWe have been beingYou have been beingThey have been being

Form of verb 'to have':

I have been havingYou have been havingHe/She/It has been havingWe have been havingYou have been havingThey have been having
We use should or shouldn’t to give advice and to say what is or isn’t the right thing to do.

Present Perfect is used for:


Some adverbs used with Present Perfect: