$\text{@su}$
`5`, may be very worried
`6`, may quit it at once
`7`, may understand the lectures well
`8`, have to leave the building in order
`9`, ought to come to visit me more
`10`, must be very happy
Bonus: Modal verbs:
S + modal + Vbare + O
Modal verbs là những từ như do, does, can, could, may, might, ....
$\text{#BTS}$