Present perfect VS simple Past.

We use...to talk about life experiences for example:"I have visited different kinds of museums".

• Present perfect

• simple past

We use...to ask or to talk something that happened in past and when exactly happened.Sometimes we use PAST TIME PHRASES.Example:"I visited the New York Zoo yesterday"

• Present perfect

• simple past

"Just","already" and "Yet" are expressions used in....Example:"I've just eaten so I don't want to eat by now."

• Present perfect

• simple past

"Yesterday",last....."."this..." ".....ago" and " in...." are used for sentences and questions in :"We didn't do the dishes yesterday.","Did you get up early this morning?

• Present perfect

• simple past

"Yesterday",last....."."this..." ".....ago" and " in...." are never used for sentences and questions in :

• Present perfect

• simple past

"I've...",You've.....".We've..." ".They've" are used in sentences for :

• Present perfect

• simple past

"He's...",She's.....".It's..." are the THIRD PERSON FORM used in sentences for :

• Present perfect

• simple past

Read the following sentences and questions in order to identify the grammar tense :

"Have you ever planned a surprise party for a friend?"

"I've never eaten shrimps"

"We haven't tried Thai Food"

"She's done different things at the same time"

• Present perfect

• simple past

Read the following sentences and questions in order to identify the grammar tense :

"Did you plan a surprise party for a friend?"

"I went out to a restaurant with my parents and we ate shrimps there "

"We didn't try Thai Food" when we were in New York"

"I heard that song at the concert"

• Present perfect

• simple past

Expressions like:

"I´ve/You've/He's/she's/It's /They've never...."

"ever "

"just"

"already" and "yet" are used only in

• Present perfect

• simple past