Both make statements about present facts and/or circumstances and both are in active voice and indicative mood.
There are 12 main tenses in English: simple present, present continuous, present perfect, present perfect continuous, simple past, past continuous, past perfect, past perfect continuous, simple future, future continuous, future perfect, and future perfect continuous.
There are five tenses: 1.simple present 2.present continuous 3.present perfect 4.present perfect continuous 5. present passive
"Have" can be in various verb tenses based on the context, such as present simple (have), present continuous (having), past simple (had), past continuous (was/were having), present perfect (have had), and past perfect (had had).
All the tenses of the Indicative Mood have a Simple/Continuous (Progressive) pair: Present, Past, Present Perfect, Past Perfect, Future, Future Perfect. You might look up the Simple ASPECT; otherwise, please specify the tense you are interested in.
The present perfect tense is used to show that an action happened at an unspecified time before now, while the simple past tense is used to show that an action happened at a specific time in the past.
Present perfect tense.
There are 12 main tenses in English: simple present, present continuous, present perfect, present perfect continuous, simple past, past continuous, past perfect, past perfect continuous, simple future, future continuous, future perfect, and future perfect continuous.
Technically, two (present and past) but commonly, we say there are 12: past simple present simple future simple past continuous present continuous future continuous past perfect present perfect future perfect past perfect continuous present perfect continuous future perfect continuous
The 14 English verb tenses are, present simple, present continuous, past simple, past continuous, present perfect, present perfect continuous, past perfect, past perfect continuous, future simple, future continuous, future perfect, future perfect continuous, conditional continuous, and conditional perfect.
There are five tenses: 1.simple present 2.present continuous 3.present perfect 4.present perfect continuous 5. present passive
The similarities are that simple and complex machines are both made up of simple machines
This sentence cannot be completely changed into present perfect tense. Past perfect and past simple are used like this to talk about two things in the past one thing - past perfect happened before the other - past simple. Present simple is not used this way. So the past perfect - had taken - can be changed, but the past simple - my sister entered - cannot be changed into present perfect. Present perfect = I have taken my food.
"Have" can be in various verb tenses based on the context, such as present simple (have), present continuous (having), past simple (had), past continuous (was/were having), present perfect (have had), and past perfect (had had).
The verb is "go." So it's simple present tense. Simple Present: Today I go. Simple Past: Yesterday I went. Simple Future: I will go. Present Perfect: I have gone. Past Perfect: I had gone. Future Perfect: I will have gone.
All the tenses of the Indicative Mood have a Simple/Continuous (Progressive) pair: Present, Past, Present Perfect, Past Perfect, Future, Future Perfect. You might look up the Simple ASPECT; otherwise, please specify the tense you are interested in.
The present perfect tense is used to show that an action happened at an unspecified time before now, while the simple past tense is used to show that an action happened at a specific time in the past.
Present simple -- I live in Ekatahuna Present continuous -- I am living in Ekatahuna Present perfect -- I have lived in Ekatahuna Present perfect continuous -- I have been living in Ekatahuna Present simple passive -- The butter is kept in the fridge. Present continuous passive -- The butter is being kept in the fridge. Present perfect passive -- The butter has been kept in the fridge.