Present perfect vs. past simple
Yesterday I have seen that movie.
Yesterday I saw that movie.
A finished time expression — yesterday, last week, in 2019 — forces the past simple.
Most English practice apps test you on sentences someone else wrote. FluenText corrects the English you send to real people: the missing article, the present perfect where the past simple belonged, the preposition that no rule explains. Each correction shows the fix next to your own words.
The errors that survive years of study, because nobody in a real conversation stops to correct them.
Yesterday I have seen that movie.
Yesterday I saw that movie.
A finished time expression — yesterday, last week, in 2019 — forces the past simple.
It depends of the weather.
It depends on the weather.
Depend on, married to, good at, interested in. These are learned one at a time, in context.
I am engineer.
I am an engineer.
Singular countable nouns need an article, even when your first language does without one.
She don’t like coffee.
She doesn’t like coffee.
He, she and it take the -s form, including on the auxiliary.
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