GRAMMAR
WHEN DO YOU USE PRESEN SIMPLE?
MENTION 10 INDICATORS
SAY THE PAST PARTICIPLE OF :
KNOW -
WHEN DO YOU USE PRESENT PERFECT?
MENTION 10 INDICATORS
WHEN DO YOU USE PAST PERFECT?
MENTION 5 INDICATORS
MENTION THE USES OF EACH CONDITIONALS
WHEN DO YOU USE PASSIVE VOICE?
WHY CAN'T YOU USE IT IN ALL THE ACTIVE SENTENCES?