(+) I +am
You, we, they, Ns +are
He, she, it,N +is
(-) S + is/am/are + not
(?) Is/am/are + S ... ?
Động từ thường:
(+) I, you, they,Ns + V ng-mẫu
He, she,it,N+ V-es (O,X,S,Ch,Sh,Z)
He, she, it,N+ V-s
(-) I,you,they,Ns + do+not+Vng-mẫu
He,she,it,N+ does+ not+Vng-mẫu
(?) Do+ you,we,they,Ns+ Vng-mẫu
Does+ he, she, it,N +Vng-mẫu