$\text{Công thức thì hiện tại đơn (Present Simple Tense) là:}$
$\text{-Với động từ "be":}$
$\text{(+) S+Am/Is/Are+O.}$
$\text{(-) S+Am/Is/Are+Not+O.}$
$\text{(?) Am/Is/Are+S+O?}$
$\text{-Yes, S+Am/Is/Are}$
$\text{-No, S+Am/Is/Are+Not}$
$\text{Lưu ý:}$
$\text{-I+Am}$
$\text{-He/She/It+Is}$
$\text{We/You/They+Are}$
$\text{Is not=Isn't}$
$\text{Are not=Aren't}$
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$\text{-Với động từ thường (Verb):}$
$\text{(+)S+V?V(s/es)+O.}$
$\text{(-)S+Do/Does+not+V(inf)+O.}$
$\text{(?)Do/Does+S+V(inf)+O?}$
$\text{-Yes, S+Do/Does}$
$\text{-No,S+Do/Does+Not}$
$\text{Lưu ý:}$
$\text{-Do not=Don't}$
$\text{-Does not=Doesn't}$
$\text{-I/We/You/They+don't}$
$\text{-He/She/It+Doesn't}$
